Home / 8,459,731.72-12,694,396.86-4,569,140.73

Finding the Fourth Proportional to 8,459,731.72, 12,694,396.86 and 4,569,140.73

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Solution

The fourth proportional to 8,459,731.72, 12,694,396.86 and 4,569,140.73 is: 6,856,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459,731.72 : 12,694,396.86 = 4,569,140.73 : x
  2. Step 2: Convert to fraction form
    8,459,731.72/12,694,396.86 = 4,569,140.73/x
  3. Step 3: Cross multiply
    8,459,731.72x = 12,694,396.86 × 4,569,140.73
  4. Step 4: Simplify right side
    8,459,731.72x = 58,002,485,712,964.41
  5. Step 5: Solve for x
    x = 58,002,485,712,964.41/8,459,731.72
  6. Step 6: Final answer
    x = 6,856,303.21

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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.