Home / 38,520,311.60-57,780,467.40-12,952,823.60

Finding the Fourth Proportional to 38,520,311.60, 57,780,467.40 and 12,952,823.60

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Solution

The fourth proportional to 38,520,311.60, 57,780,467.40 and 12,952,823.60 is: 19,429,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520,311.60 : 57,780,467.40 = 12,952,823.60 : x
  2. Step 2: Convert to fraction form
    38,520,311.60/57,780,467.40 = 12,952,823.60/x
  3. Step 3: Cross multiply
    38,520,311.60x = 57,780,467.40 × 12,952,823.60
  4. Step 4: Simplify right side
    38,520,311.60x = 748,420,201,757,750.62
  5. Step 5: Solve for x
    x = 748,420,201,757,750.62/38,520,311.60
  6. Step 6: Final answer
    x = 19,429,235.40

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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.