Finding the Fourth Proportional to 17,900,147.97, 24,711,565.77 and 13,971,479.49
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Solution
The fourth proportional to 17,900,147.97, 24,711,565.77 and 13,971,479.49 is: 19,287,948.62
Step by Step Solution
- Step 1: Write the proportion equation
17,900,147.97 : 24,711,565.77 = 13,971,479.49 : x - Step 2: Convert to fraction form
17,900,147.97/24,711,565.77 = 13,971,479.49/x - Step 3: Cross multiply
17,900,147.97x = 24,711,565.77 × 13,971,479.49 - Step 4: Simplify right side
17,900,147.97x = 345,257,134,321,341.06 - Step 5: Solve for x
x = 345,257,134,321,341.06/17,900,147.97 - Step 6: Final answer
x = 19,287,948.62
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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.