Home / 34,542,287.78-47,648,374.11-22,319,144.78

Finding the Fourth Proportional to 34,542,287.78, 47,648,374.11 and 22,319,144.78

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Solution

The fourth proportional to 34,542,287.78, 47,648,374.11 and 22,319,144.78 is: 30,787,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542,287.78 : 47,648,374.11 = 22,319,144.78 : x
  2. Step 2: Convert to fraction form
    34,542,287.78/47,648,374.11 = 22,319,144.78/x
  3. Step 3: Cross multiply
    34,542,287.78x = 47,648,374.11 × 22,319,144.78
  4. Step 4: Simplify right side
    34,542,287.78x = 1,063,470,960,292,693.75
  5. Step 5: Solve for x
    x = 1,063,470,960,292,693.75/34,542,287.78
  6. Step 6: Final answer
    x = 30,787,507.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.