Home / 10,167,508.12-14,031,114.90-5,521,255.78

Finding the Fourth Proportional to 10,167,508.12, 14,031,114.90 and 5,521,255.78

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Solution

The fourth proportional to 10,167,508.12, 14,031,114.90 and 5,521,255.78 is: 7,619,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,508.12 : 14,031,114.90 = 5,521,255.78 : x
  2. Step 2: Convert to fraction form
    10,167,508.12/14,031,114.90 = 5,521,255.78/x
  3. Step 3: Cross multiply
    10,167,508.12x = 14,031,114.90 × 5,521,255.78
  4. Step 4: Simplify right side
    10,167,508.12x = 77,469,374,241,469.12
  5. Step 5: Solve for x
    x = 77,469,374,241,469.12/10,167,508.12
  6. Step 6: Final answer
    x = 7,619,307.83

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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.