Finding the Fourth Proportional to 19,178,875.08, 26,473,154.94 and 15,265,809
Calculator
Solution
The fourth proportional to 19,178,875.08, 26,473,154.94 and 15,265,809 is: 21,071,836.87
Step by Step Solution
- Step 1: Write the proportion equation
19,178,875.08 : 26,473,154.94 = 15,265,809 : x - Step 2: Convert to fraction form
19,178,875.08/26,473,154.94 = 15,265,809/x - Step 3: Cross multiply
19,178,875.08x = 26,473,154.94 × 15,265,809 - Step 4: Simplify right side
19,178,875.08x = 404,134,126,941,446.50 - Step 5: Solve for x
x = 404,134,126,941,446.50/19,178,875.08 - Step 6: Final answer
x = 21,071,836.87
Related Problems
Find fourth proportional to 9,589,437.54, 13,236,577.47 and 7,632,904.50
Half scale
Find fourth proportional to 38,357,750.16, 52,946,309.88 and 30,531,618
Double scale
Find fourth proportional to 19,178,876.08, 26,473,156.32 and 15,265,810
Similar ratio
Find fourth proportional to 28,768,312.62, 39,709,732.41 and 22,898,713.50
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.