Home / 28,084,562.20-42,158,336.10-21,723,016.60

Finding the Fourth Proportional to 28,084,562.20, 42,158,336.10 and 21,723,016.60

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Solution

The fourth proportional to 28,084,562.20, 42,158,336.10 and 21,723,016.60 is: 32,608,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,562.20 : 42,158,336.10 = 21,723,016.60 : x
  2. Step 2: Convert to fraction form
    28,084,562.20/42,158,336.10 = 21,723,016.60/x
  3. Step 3: Cross multiply
    28,084,562.20x = 42,158,336.10 × 21,723,016.60
  4. Step 4: Simplify right side
    28,084,562.20x = 915,806,234,928,679.38
  5. Step 5: Solve for x
    x = 915,806,234,928,679.38/28,084,562.20
  6. Step 6: Final answer
    x = 32,608,884.14

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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.