Home / 48,288,049.10-72,432,073.65-12,386,257.10

Finding the Fourth Proportional to 48,288,049.10, 72,432,073.65 and 12,386,257.10

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Solution

The fourth proportional to 48,288,049.10, 72,432,073.65 and 12,386,257.10 is: 18,579,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,288,049.10 : 72,432,073.65 = 12,386,257.10 : x
  2. Step 2: Convert to fraction form
    48,288,049.10/72,432,073.65 = 12,386,257.10/x
  3. Step 3: Cross multiply
    48,288,049.10x = 72,432,073.65 × 12,386,257.10
  4. Step 4: Simplify right side
    48,288,049.10x = 897,162,286,515,035.50
  5. Step 5: Solve for x
    x = 897,162,286,515,035.50/48,288,049.10
  6. Step 6: Final answer
    x = 18,579,385.65

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Double scale
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Similar ratio
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1.5x scale

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.