Finding the Fourth Proportional to 39,982,858.97, 59,974,289.12 and 9,690,721.97
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Solution
The fourth proportional to 39,982,858.97, 59,974,289.12 and 9,690,721.97 is: 14,536,083.11
Step by Step Solution
- Step 1: Write the proportion equation
39,982,858.97 : 59,974,289.12 = 9,690,721.97 : x - Step 2: Convert to fraction form
39,982,858.97/59,974,289.12 = 9,690,721.97/x - Step 3: Cross multiply
39,982,858.97x = 59,974,289.12 × 9,690,721.97 - Step 4: Simplify right side
39,982,858.97x = 581,194,160,934,671.38 - Step 5: Solve for x
x = 581,194,160,934,671.38/39,982,858.97 - Step 6: Final answer
x = 14,536,083.11
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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.