Finding the Fourth Proportional to 39,920,930.33, 59,887,964.99 and 12,254,153.18
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Solution
The fourth proportional to 39,920,930.33, 59,887,964.99 and 12,254,153.18 is: 18,383,246.34
Step by Step Solution
- Step 1: Write the proportion equation
39,920,930.33 : 59,887,964.99 = 12,254,153.18 : x - Step 2: Convert to fraction form
39,920,930.33/59,887,964.99 = 12,254,153.18/x - Step 3: Cross multiply
39,920,930.33x = 59,887,964.99 × 12,254,153.18 - Step 4: Simplify right side
39,920,930.33x = 733,876,296,357,132.75 - Step 5: Solve for x
x = 733,876,296,357,132.75/39,920,930.33 - Step 6: Final answer
x = 18,383,246.34
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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.