Home / 20,736,098.60-31,104,147.90-15,025,404.20

Finding the Fourth Proportional to 20,736,098.60, 31,104,147.90 and 15,025,404.20

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Solution

The fourth proportional to 20,736,098.60, 31,104,147.90 and 15,025,404.20 is: 22,538,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,098.60 : 31,104,147.90 = 15,025,404.20 : x
  2. Step 2: Convert to fraction form
    20,736,098.60/31,104,147.90 = 15,025,404.20/x
  3. Step 3: Cross multiply
    20,736,098.60x = 31,104,147.90 × 15,025,404.20
  4. Step 4: Simplify right side
    20,736,098.60x = 467,352,394,494,081.12
  5. Step 5: Solve for x
    x = 467,352,394,494,081.12/20,736,098.60
  6. Step 6: Final answer
    x = 22,538,106.30

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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.