Home / 13,049,753.76-18,013,682.52-8,697,251.88

Finding the Fourth Proportional to 13,049,753.76, 18,013,682.52 and 8,697,251.88

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Solution

The fourth proportional to 13,049,753.76, 18,013,682.52 and 8,697,251.88 is: 12,005,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,753.76 : 18,013,682.52 = 8,697,251.88 : x
  2. Step 2: Convert to fraction form
    13,049,753.76/18,013,682.52 = 8,697,251.88/x
  3. Step 3: Cross multiply
    13,049,753.76x = 18,013,682.52 × 8,697,251.88
  4. Step 4: Simplify right side
    13,049,753.76x = 156,669,534,162,793.16
  5. Step 5: Solve for x
    x = 156,669,534,162,793.16/13,049,753.76
  6. Step 6: Final answer
    x = 12,005,554.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.