Finding the Fourth Proportional to 37,731,763.62, 52,068,489.21 and 20,986,414.74
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Solution
The fourth proportional to 37,731,763.62, 52,068,489.21 and 20,986,414.74 is: 28,960,504.48
Step by Step Solution
- Step 1: Write the proportion equation
37,731,763.62 : 52,068,489.21 = 20,986,414.74 : x - Step 2: Convert to fraction form
37,731,763.62/52,068,489.21 = 20,986,414.74/x - Step 3: Cross multiply
37,731,763.62x = 52,068,489.21 × 20,986,414.74 - Step 4: Simplify right side
37,731,763.62x = 1,092,730,909,446,274.88 - Step 5: Solve for x
x = 1,092,730,909,446,274.88/37,731,763.62 - Step 6: Final answer
x = 28,960,504.48
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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.