Home / 8,149,943.13-12,225,320.78-3,101,644.89

Finding the Fourth Proportional to 8,149,943.13, 12,225,320.78 and 3,101,644.89

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Solution

The fourth proportional to 8,149,943.13, 12,225,320.78 and 3,101,644.89 is: 4,652,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,943.13 : 12,225,320.78 = 3,101,644.89 : x
  2. Step 2: Convert to fraction form
    8,149,943.13/12,225,320.78 = 3,101,644.89/x
  3. Step 3: Cross multiply
    8,149,943.13x = 12,225,320.78 × 3,101,644.89
  4. Step 4: Simplify right side
    8,149,943.13x = 37,918,603,710,389.59
  5. Step 5: Solve for x
    x = 37,918,603,710,389.59/8,149,943.13
  6. Step 6: Final answer
    x = 4,652,621.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.