Home / 15,459,658.20-23,189,487.30-9,786,288.60

Finding the Fourth Proportional to 15,459,658.20, 23,189,487.30 and 9,786,288.60

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Solution

The fourth proportional to 15,459,658.20, 23,189,487.30 and 9,786,288.60 is: 14,679,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,658.20 : 23,189,487.30 = 9,786,288.60 : x
  2. Step 2: Convert to fraction form
    15,459,658.20/23,189,487.30 = 9,786,288.60/x
  3. Step 3: Cross multiply
    15,459,658.20x = 23,189,487.30 × 9,786,288.60
  4. Step 4: Simplify right side
    15,459,658.20x = 226,939,015,203,834.78
  5. Step 5: Solve for x
    x = 226,939,015,203,834.78/15,459,658.20
  6. Step 6: Final answer
    x = 14,679,432.90

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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.