Finding the Fourth Proportional to 31,287,121.50, 46,944,134.40 and 15,125,225.70
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Solution
The fourth proportional to 31,287,121.50, 46,944,134.40 and 15,125,225.70 is: 22,694,341.76
Step by Step Solution
- Step 1: Write the proportion equation
31,287,121.50 : 46,944,134.40 = 15,125,225.70 : x - Step 2: Convert to fraction form
31,287,121.50/46,944,134.40 = 15,125,225.70/x - Step 3: Cross multiply
31,287,121.50x = 46,944,134.40 × 15,125,225.70 - Step 4: Simplify right side
31,287,121.50x = 710,040,628,091,134 - Step 5: Solve for x
x = 710,040,628,091,134/31,287,121.50 - Step 6: Final answer
x = 22,694,341.76
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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.