Home / 31,751,141.20-47,632,932.60-13,555,301.20

Finding the Fourth Proportional to 31,751,141.20, 47,632,932.60 and 13,555,301.20

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Solution

The fourth proportional to 31,751,141.20, 47,632,932.60 and 13,555,301.20 is: 20,335,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751,141.20 : 47,632,932.60 = 13,555,301.20 : x
  2. Step 2: Convert to fraction form
    31,751,141.20/47,632,932.60 = 13,555,301.20/x
  3. Step 3: Cross multiply
    31,751,141.20x = 47,632,932.60 × 13,555,301.20
  4. Step 4: Simplify right side
    31,751,141.20x = 645,678,748,432,299.12
  5. Step 5: Solve for x
    x = 645,678,748,432,299.12/31,751,141.20
  6. Step 6: Final answer
    x = 20,335,607.60

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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.