Finding the Fourth Proportional to 15,069,711.27, 22,591,108.65 and 5,478,332.99
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Solution
The fourth proportional to 15,069,711.27, 22,591,108.65 and 5,478,332.99 is: 8,212,606.97
Step by Step Solution
- Step 1: Write the proportion equation
15,069,711.27 : 22,591,108.65 = 5,478,332.99 : x - Step 2: Convert to fraction form
15,069,711.27/22,591,108.65 = 5,478,332.99/x - Step 3: Cross multiply
15,069,711.27x = 22,591,108.65 × 5,478,332.99 - Step 4: Simplify right side
15,069,711.27x = 123,761,615,854,447.12 - Step 5: Solve for x
x = 123,761,615,854,447.12/15,069,711.27 - Step 6: Final answer
x = 8,212,606.97
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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.