Home / 12,527,288.16-18,777,499.20-8,207,707.20

Finding the Fourth Proportional to 12,527,288.16, 18,777,499.20 and 8,207,707.20

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Solution

The fourth proportional to 12,527,288.16, 18,777,499.20 and 8,207,707.20 is: 12,302,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527,288.16 : 18,777,499.20 = 8,207,707.20 : x
  2. Step 2: Convert to fraction form
    12,527,288.16/18,777,499.20 = 8,207,707.20/x
  3. Step 3: Cross multiply
    12,527,288.16x = 18,777,499.20 × 8,207,707.20
  4. Step 4: Simplify right side
    12,527,288.16x = 154,120,215,381,834.25
  5. Step 5: Solve for x
    x = 154,120,215,381,834.25/12,527,288.16
  6. Step 6: Final answer
    x = 12,302,759.66

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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.