Finding the Fourth Proportional to 51,676,276.95, 71,313,229.70 and 28,471,403.68
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Solution
The fourth proportional to 51,676,276.95, 71,313,229.70 and 28,471,403.68 is: 39,290,519.18
Step by Step Solution
- Step 1: Write the proportion equation
51,676,276.95 : 71,313,229.70 = 28,471,403.68 : x - Step 2: Convert to fraction form
51,676,276.95/71,313,229.70 = 28,471,403.68/x - Step 3: Cross multiply
51,676,276.95x = 71,313,229.70 × 28,471,403.68 - Step 4: Simplify right side
51,676,276.95x = 2,030,387,750,513,265.25 - Step 5: Solve for x
x = 2,030,387,750,513,265.25/51,676,276.95 - Step 6: Final answer
x = 39,290,519.18
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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.