Home / 8,655,200.30-12,982,800.45-8,286,617.90

Finding the Fourth Proportional to 8,655,200.30, 12,982,800.45 and 8,286,617.90

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Solution

The fourth proportional to 8,655,200.30, 12,982,800.45 and 8,286,617.90 is: 12,429,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,200.30 : 12,982,800.45 = 8,286,617.90 : x
  2. Step 2: Convert to fraction form
    8,655,200.30/12,982,800.45 = 8,286,617.90/x
  3. Step 3: Cross multiply
    8,655,200.30x = 12,982,800.45 × 8,286,617.90
  4. Step 4: Simplify right side
    8,655,200.30x = 107,583,506,601,098.05
  5. Step 5: Solve for x
    x = 107,583,506,601,098.05/8,655,200.30
  6. Step 6: Final answer
    x = 12,429,926.85

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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.