Home / 20,097,498.60-30,146,247.90-12,444,748.20

Finding the Fourth Proportional to 20,097,498.60, 30,146,247.90 and 12,444,748.20

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Solution

The fourth proportional to 20,097,498.60, 30,146,247.90 and 12,444,748.20 is: 18,667,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097,498.60 : 30,146,247.90 = 12,444,748.20 : x
  2. Step 2: Convert to fraction form
    20,097,498.60/30,146,247.90 = 12,444,748.20/x
  3. Step 3: Cross multiply
    20,097,498.60x = 30,146,247.90 × 12,444,748.20
  4. Step 4: Simplify right side
    20,097,498.60x = 375,162,464,290,278.75
  5. Step 5: Solve for x
    x = 375,162,464,290,278.75/20,097,498.60
  6. Step 6: Final answer
    x = 18,667,122.30

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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.