Home / 20,522,449.28-28,321,311.33-11,230,826.69

Finding the Fourth Proportional to 20,522,449.28, 28,321,311.33 and 11,230,826.69

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Solution

The fourth proportional to 20,522,449.28, 28,321,311.33 and 11,230,826.69 is: 15,498,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,449.28 : 28,321,311.33 = 11,230,826.69 : x
  2. Step 2: Convert to fraction form
    20,522,449.28/28,321,311.33 = 11,230,826.69/x
  3. Step 3: Cross multiply
    20,522,449.28x = 28,321,311.33 × 11,230,826.69
  4. Step 4: Simplify right side
    20,522,449.28x = 318,071,739,039,156.81
  5. Step 5: Solve for x
    x = 318,071,739,039,156.81/20,522,449.28
  6. Step 6: Final answer
    x = 15,498,722.14

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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.