Finding the Fourth Proportional to 17,547,721.18, 24,215,402.13 and 9,707,029.12
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Solution
The fourth proportional to 17,547,721.18, 24,215,402.13 and 9,707,029.12 is: 13,395,449.53
Step by Step Solution
- Step 1: Write the proportion equation
17,547,721.18 : 24,215,402.13 = 9,707,029.12 : x - Step 2: Convert to fraction form
17,547,721.18/24,215,402.13 = 9,707,029.12/x - Step 3: Cross multiply
17,547,721.18x = 24,215,402.13 × 9,707,029.12 - Step 4: Simplify right side
17,547,721.18x = 235,059,613,540,678.31 - Step 5: Solve for x
x = 235,059,613,540,678.31/17,547,721.18 - Step 6: Final answer
x = 13,395,449.53
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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.