Home / 15,459,784.20-23,189,676.30-9,786,414.60

Finding the Fourth Proportional to 15,459,784.20, 23,189,676.30 and 9,786,414.60

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Solution

The fourth proportional to 15,459,784.20, 23,189,676.30 and 9,786,414.60 is: 14,679,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,784.20 : 23,189,676.30 = 9,786,414.60 : x
  2. Step 2: Convert to fraction form
    15,459,784.20/23,189,676.30 = 9,786,414.60/x
  3. Step 3: Cross multiply
    15,459,784.20x = 23,189,676.30 × 9,786,414.60
  4. Step 4: Simplify right side
    15,459,784.20x = 226,943,786,711,593.97
  5. Step 5: Solve for x
    x = 226,943,786,711,593.97/15,459,784.20
  6. Step 6: Final answer
    x = 14,679,621.90

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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.