Home / 31,729,714.68-47,598,808.78-12,555,987.72

Finding the Fourth Proportional to 31,729,714.68, 47,598,808.78 and 12,555,987.72

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Solution

The fourth proportional to 31,729,714.68, 47,598,808.78 and 12,555,987.72 is: 18,835,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729,714.68 : 47,598,808.78 = 12,555,987.72 : x
  2. Step 2: Convert to fraction form
    31,729,714.68/47,598,808.78 = 12,555,987.72/x
  3. Step 3: Cross multiply
    31,729,714.68x = 47,598,808.78 × 12,555,987.72
  4. Step 4: Simplify right side
    31,729,714.68x = 597,650,058,528,308.25
  5. Step 5: Solve for x
    x = 597,650,058,528,308.25/31,729,714.68
  6. Step 6: Final answer
    x = 18,835,658.14

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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.