Home / 12,423,250.90-18,635,508.15-3,903,670.90

Finding the Fourth Proportional to 12,423,250.90, 18,635,508.15 and 3,903,670.90

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Solution

The fourth proportional to 12,423,250.90, 18,635,508.15 and 3,903,670.90 is: 5,855,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,250.90 : 18,635,508.15 = 3,903,670.90 : x
  2. Step 2: Convert to fraction form
    12,423,250.90/18,635,508.15 = 3,903,670.90/x
  3. Step 3: Cross multiply
    12,423,250.90x = 18,635,508.15 × 3,903,670.90
  4. Step 4: Simplify right side
    12,423,250.90x = 72,746,890,871,867.83
  5. Step 5: Solve for x
    x = 72,746,890,871,867.83/12,423,250.90
  6. Step 6: Final answer
    x = 5,855,704.88

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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.