Home / 38,016,069.60-57,013,045.20-20,984,901.60

Finding the Fourth Proportional to 38,016,069.60, 57,013,045.20 and 20,984,901.60

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Solution

The fourth proportional to 38,016,069.60, 57,013,045.20 and 20,984,901.60 is: 31,471,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,069.60 : 57,013,045.20 = 20,984,901.60 : x
  2. Step 2: Convert to fraction form
    38,016,069.60/57,013,045.20 = 20,984,901.60/x
  3. Step 3: Cross multiply
    38,016,069.60x = 57,013,045.20 × 20,984,901.60
  4. Step 4: Simplify right side
    38,016,069.60x = 1,196,413,143,438,352.50
  5. Step 5: Solve for x
    x = 1,196,413,143,438,352.50/38,016,069.60
  6. Step 6: Final answer
    x = 31,471,247.71

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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.