Home / 18,887,759.20-28,343,302.80-7,527,023.20

Finding the Fourth Proportional to 18,887,759.20, 28,343,302.80 and 7,527,023.20

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Solution

The fourth proportional to 18,887,759.20, 28,343,302.80 and 7,527,023.20 is: 11,295,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,759.20 : 28,343,302.80 = 7,527,023.20 : x
  2. Step 2: Convert to fraction form
    18,887,759.20/28,343,302.80 = 7,527,023.20/x
  3. Step 3: Cross multiply
    18,887,759.20x = 28,343,302.80 × 7,527,023.20
  4. Step 4: Simplify right side
    18,887,759.20x = 213,340,697,740,224.97
  5. Step 5: Solve for x
    x = 213,340,697,740,224.97/18,887,759.20
  6. Step 6: Final answer
    x = 11,295,183.06

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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.