Home / 47,321,207.60-70,981,811.40-18,568,281.20

Finding the Fourth Proportional to 47,321,207.60, 70,981,811.40 and 18,568,281.20

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Solution

The fourth proportional to 47,321,207.60, 70,981,811.40 and 18,568,281.20 is: 27,852,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321,207.60 : 70,981,811.40 = 18,568,281.20 : x
  2. Step 2: Convert to fraction form
    47,321,207.60/70,981,811.40 = 18,568,281.20/x
  3. Step 3: Cross multiply
    47,321,207.60x = 70,981,811.40 × 18,568,281.20
  4. Step 4: Simplify right side
    47,321,207.60x = 1,318,010,234,160,565.75
  5. Step 5: Solve for x
    x = 1,318,010,234,160,565.75/47,321,207.60
  6. Step 6: Final answer
    x = 27,852,421.80

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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.