Home / 13,791,343.64-20,672,821.13-6,118,601.90

Finding the Fourth Proportional to 13,791,343.64, 20,672,821.13 and 6,118,601.90

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Solution

The fourth proportional to 13,791,343.64, 20,672,821.13 and 6,118,601.90 is: 9,171,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,343.64 : 20,672,821.13 = 6,118,601.90 : x
  2. Step 2: Convert to fraction form
    13,791,343.64/20,672,821.13 = 6,118,601.90/x
  3. Step 3: Cross multiply
    13,791,343.64x = 20,672,821.13 × 6,118,601.90
  4. Step 4: Simplify right side
    13,791,343.64x = 126,488,762,510,421.02
  5. Step 5: Solve for x
    x = 126,488,762,510,421.02/13,791,343.64
  6. Step 6: Final answer
    x = 9,171,605.45

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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.