Finding the Fourth Proportional to 12,861,201.91, 19,266,579.66 and 7,458,502
Calculator
Solution
The fourth proportional to 12,861,201.91, 19,266,579.66 and 7,458,502 is: 11,173,125.49
Step by Step Solution
- Step 1: Write the proportion equation
12,861,201.91 : 19,266,579.66 = 7,458,502 : x - Step 2: Convert to fraction form
12,861,201.91/19,266,579.66 = 7,458,502/x - Step 3: Cross multiply
12,861,201.91x = 19,266,579.66 × 7,458,502 - Step 4: Simplify right side
12,861,201.91x = 143,699,822,927,269.31 - Step 5: Solve for x
x = 143,699,822,927,269.31/12,861,201.91 - Step 6: Final answer
x = 11,173,125.49
Related Problems
Find fourth proportional to 6,430,600.96, 9,633,289.83 and 3,729,251
Half scale
Find fourth proportional to 25,722,403.82, 38,533,159.32 and 14,917,004
Double scale
Find fourth proportional to 12,861,202.91, 19,266,581.16 and 7,458,503
Similar ratio
Find fourth proportional to 19,291,802.87, 28,899,869.49 and 11,187,753
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.