Finding the Fourth Proportional to 34,684,721.40, 47,867,854.86 and 19,219,657.08
Calculator
Solution
The fourth proportional to 34,684,721.40, 47,867,854.86 and 19,219,657.08 is: 26,524,755.52
Step by Step Solution
- Step 1: Write the proportion equation
34,684,721.40 : 47,867,854.86 = 19,219,657.08 : x - Step 2: Convert to fraction form
34,684,721.40/47,867,854.86 = 19,219,657.08/x - Step 3: Cross multiply
34,684,721.40x = 47,867,854.86 × 19,219,657.08 - Step 4: Simplify right side
34,684,721.40x = 920,003,755,564,411.25 - Step 5: Solve for x
x = 920,003,755,564,411.25/34,684,721.40 - Step 6: Final answer
x = 26,524,755.52
Related Problems
Find fourth proportional to 17,342,360.70, 23,933,927.43 and 9,609,828.54
Half scale
Find fourth proportional to 69,369,442.80, 95,735,709.72 and 38,439,314.16
Double scale
Find fourth proportional to 34,684,722.40, 47,867,856.24 and 19,219,658.08
Similar ratio
Find fourth proportional to 52,027,082.10, 71,801,782.29 and 28,829,485.62
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.