Home / 38,867,904.60-58,337,108.10-19,711,987.80

Finding the Fourth Proportional to 38,867,904.60, 58,337,108.10 and 19,711,987.80

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Solution

The fourth proportional to 38,867,904.60, 58,337,108.10 and 19,711,987.80 is: 29,585,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867,904.60 : 58,337,108.10 = 19,711,987.80 : x
  2. Step 2: Convert to fraction form
    38,867,904.60/58,337,108.10 = 19,711,987.80/x
  3. Step 3: Cross multiply
    38,867,904.60x = 58,337,108.10 × 19,711,987.80
  4. Step 4: Simplify right side
    38,867,904.60x = 1,149,940,363,154,481.25
  5. Step 5: Solve for x
    x = 1,149,940,363,154,481.25/38,867,904.60
  6. Step 6: Final answer
    x = 29,585,859.46

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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.