Home / 7,247,127.90-10,001,229.10-3,939,644.90

Finding the Fourth Proportional to 7,247,127.90, 10,001,229.10 and 3,939,644.90

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Solution

The fourth proportional to 7,247,127.90, 10,001,229.10 and 3,939,644.90 is: 5,436,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,127.90 : 10,001,229.10 = 3,939,644.90 : x
  2. Step 2: Convert to fraction form
    7,247,127.90/10,001,229.10 = 3,939,644.90/x
  3. Step 3: Cross multiply
    7,247,127.90x = 10,001,229.10 × 3,939,644.90
  4. Step 4: Simplify right side
    7,247,127.90x = 39,401,291,217,546.59
  5. Step 5: Solve for x
    x = 39,401,291,217,546.59/7,247,127.90
  6. Step 6: Final answer
    x = 5,436,814.66

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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.