Finding the Fourth Proportional to 37,732,568.28, 52,070,445.84 and 20,987,194.68
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Solution
The fourth proportional to 37,732,568.28, 52,070,445.84 and 20,987,194.68 is: 28,962,051.45
Step by Step Solution
- Step 1: Write the proportion equation
37,732,568.28 : 52,070,445.84 = 20,987,194.68 : x - Step 2: Convert to fraction form
37,732,568.28/52,070,445.84 = 20,987,194.68/x - Step 3: Cross multiply
37,732,568.28x = 52,070,445.84 × 20,987,194.68 - Step 4: Simplify right side
37,732,568.28x = 1,092,812,583,918,476.25 - Step 5: Solve for x
x = 1,092,812,583,918,476.25/37,732,568.28 - Step 6: Final answer
x = 28,962,051.45
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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.