Home / 38,016,020.20-57,003,035.10-12,443,866.60

Finding the Fourth Proportional to 38,016,020.20, 57,003,035.10 and 12,443,866.60

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Solution

The fourth proportional to 38,016,020.20, 57,003,035.10 and 12,443,866.60 is: 18,658,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,020.20 : 57,003,035.10 = 12,443,866.60 : x
  2. Step 2: Convert to fraction form
    38,016,020.20/57,003,035.10 = 12,443,866.60/x
  3. Step 3: Cross multiply
    38,016,020.20x = 57,003,035.10 × 12,443,866.60
  4. Step 4: Simplify right side
    38,016,020.20x = 709,338,164,579,517.62
  5. Step 5: Solve for x
    x = 709,338,164,579,517.62/38,016,020.20
  6. Step 6: Final answer
    x = 18,658,927.50

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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.