Home / 15,068,505.50-20,794,390.98-8,192,987.54

Finding the Fourth Proportional to 15,068,505.50, 20,794,390.98 and 8,192,987.54

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Solution

The fourth proportional to 15,068,505.50, 20,794,390.98 and 8,192,987.54 is: 11,306,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068,505.50 : 20,794,390.98 = 8,192,987.54 : x
  2. Step 2: Convert to fraction form
    15,068,505.50/20,794,390.98 = 8,192,987.54/x
  3. Step 3: Cross multiply
    15,068,505.50x = 20,794,390.98 × 8,192,987.54
  4. Step 4: Simplify right side
    15,068,505.50x = 170,368,186,201,028.41
  5. Step 5: Solve for x
    x = 170,368,186,201,028.41/15,068,505.50
  6. Step 6: Final answer
    x = 11,306,243.09

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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.