Home / 31,751,056.20-47,632,805.10-13,555,216.20

Finding the Fourth Proportional to 31,751,056.20, 47,632,805.10 and 13,555,216.20

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Solution

The fourth proportional to 31,751,056.20, 47,632,805.10 and 13,555,216.20 is: 20,335,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751,056.20 : 47,632,805.10 = 13,555,216.20 : x
  2. Step 2: Convert to fraction form
    31,751,056.20/47,632,805.10 = 13,555,216.20/x
  3. Step 3: Cross multiply
    31,751,056.20x = 47,632,805.10 × 13,555,216.20
  4. Step 4: Simplify right side
    31,751,056.20x = 645,672,971,342,962.62
  5. Step 5: Solve for x
    x = 645,672,971,342,962.62/31,751,056.20
  6. Step 6: Final answer
    x = 20,335,480.09

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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.