Finding the Fourth Proportional to 39,261,948.28, 58,919,823.88 and 13,702,957.68
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Solution
The fourth proportional to 39,261,948.28, 58,919,823.88 and 13,702,957.68 is: 20,563,825.50
Step by Step Solution
- Step 1: Write the proportion equation
39,261,948.28 : 58,919,823.88 = 13,702,957.68 : x - Step 2: Convert to fraction form
39,261,948.28/58,919,823.88 = 13,702,957.68/x - Step 3: Cross multiply
39,261,948.28x = 58,919,823.88 × 13,702,957.68 - Step 4: Simplify right side
39,261,948.28x = 807,375,853,140,693.38 - Step 5: Solve for x
x = 807,375,853,140,693.38/39,261,948.28 - Step 6: Final answer
x = 20,563,825.50
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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.