Home / 38,367,288.20-57,548,307.90-12,459,211.40

Finding the Fourth Proportional to 38,367,288.20, 57,548,307.90 and 12,459,211.40

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Solution

The fourth proportional to 38,367,288.20, 57,548,307.90 and 12,459,211.40 is: 18,687,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,367,288.20 : 57,548,307.90 = 12,459,211.40 : x
  2. Step 2: Convert to fraction form
    38,367,288.20/57,548,307.90 = 12,459,211.40/x
  3. Step 3: Cross multiply
    38,367,288.20x = 57,548,307.90 × 12,459,211.40
  4. Step 4: Simplify right side
    38,367,288.20x = 717,006,533,838,390.12
  5. Step 5: Solve for x
    x = 717,006,533,838,390.12/38,367,288.20
  6. Step 6: Final answer
    x = 18,687,964.86

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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.