Finding the Fourth Proportional to 29,125,735.65, 40,194,367.33 and 15,895,761.12
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Solution
The fourth proportional to 29,125,735.65, 40,194,367.33 and 15,895,761.12 is: 21,936,615.41
Step by Step Solution
- Step 1: Write the proportion equation
29,125,735.65 : 40,194,367.33 = 15,895,761.12 : x - Step 2: Convert to fraction form
29,125,735.65/40,194,367.33 = 15,895,761.12/x - Step 3: Cross multiply
29,125,735.65x = 40,194,367.33 × 15,895,761.12 - Step 4: Simplify right side
29,125,735.65x = 638,920,061,587,437.62 - Step 5: Solve for x
x = 638,920,061,587,437.62/29,125,735.65 - Step 6: Final answer
x = 21,936,615.41
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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.