Home / 20,754,705.30-31,048,077.15-18,235,281.30

Finding the Fourth Proportional to 20,754,705.30, 31,048,077.15 and 18,235,281.30

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Solution

The fourth proportional to 20,754,705.30, 31,048,077.15 and 18,235,281.30 is: 27,279,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,705.30 : 31,048,077.15 = 18,235,281.30 : x
  2. Step 2: Convert to fraction form
    20,754,705.30/31,048,077.15 = 18,235,281.30/x
  3. Step 3: Cross multiply
    20,754,705.30x = 31,048,077.15 × 18,235,281.30
  4. Step 4: Simplify right side
    20,754,705.30x = 566,170,420,654,352.25
  5. Step 5: Solve for x
    x = 566,170,420,654,352.25/20,754,705.30
  6. Step 6: Final answer
    x = 27,279,135.62

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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.