Home / 18,722,539.60-28,086,919.80-7,363,358.80

Finding the Fourth Proportional to 18,722,539.60, 28,086,919.80 and 7,363,358.80

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Solution

The fourth proportional to 18,722,539.60, 28,086,919.80 and 7,363,358.80 is: 11,046,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,539.60 : 28,086,919.80 = 7,363,358.80 : x
  2. Step 2: Convert to fraction form
    18,722,539.60/28,086,919.80 = 7,363,358.80/x
  3. Step 3: Cross multiply
    18,722,539.60x = 28,086,919.80 × 7,363,358.80
  4. Step 4: Simplify right side
    18,722,539.60x = 206,814,068,074,224.25
  5. Step 5: Solve for x
    x = 206,814,068,074,224.25/18,722,539.60
  6. Step 6: Final answer
    x = 11,046,261.48

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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.