Home / 8,459,729.47-12,694,393.48-4,569,138.48

Finding the Fourth Proportional to 8,459,729.47, 12,694,393.48 and 4,569,138.48

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Solution

The fourth proportional to 8,459,729.47, 12,694,393.48 and 4,569,138.48 is: 6,856,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459,729.47 : 12,694,393.48 = 4,569,138.48 : x
  2. Step 2: Convert to fraction form
    8,459,729.47/12,694,393.48 = 4,569,138.48/x
  3. Step 3: Cross multiply
    8,459,729.47x = 12,694,393.48 × 4,569,138.48
  4. Step 4: Simplify right side
    8,459,729.47x = 58,002,441,729,729.12
  5. Step 5: Solve for x
    x = 58,002,441,729,729.12/8,459,729.47
  6. Step 6: Final answer
    x = 6,856,299.83

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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.