Home / 10,521,691.44-14,529,962.16-9,948,514.20

Finding the Fourth Proportional to 10,521,691.44, 14,529,962.16 and 9,948,514.20

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Solution

The fourth proportional to 10,521,691.44, 14,529,962.16 and 9,948,514.20 is: 13,738,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,691.44 : 14,529,962.16 = 9,948,514.20 : x
  2. Step 2: Convert to fraction form
    10,521,691.44/14,529,962.16 = 9,948,514.20/x
  3. Step 3: Cross multiply
    10,521,691.44x = 14,529,962.16 × 9,948,514.20
  4. Step 4: Simplify right side
    10,521,691.44x = 144,551,534,874,222.66
  5. Step 5: Solve for x
    x = 144,551,534,874,222.66/10,521,691.44
  6. Step 6: Final answer
    x = 13,738,431.29

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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.