Home / 20,525,151.66-30,735,616.74-12,322,691.92

Finding the Fourth Proportional to 20,525,151.66, 30,735,616.74 and 12,322,691.92

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Solution

The fourth proportional to 20,525,151.66, 30,735,616.74 and 12,322,691.92 is: 18,452,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525,151.66 : 30,735,616.74 = 12,322,691.92 : x
  2. Step 2: Convert to fraction form
    20,525,151.66/30,735,616.74 = 12,322,691.92/x
  3. Step 3: Cross multiply
    20,525,151.66x = 30,735,616.74 × 12,322,691.92
  4. Step 4: Simplify right side
    20,525,151.66x = 378,745,536,058,214.69
  5. Step 5: Solve for x
    x = 378,745,536,058,214.69/20,525,151.66
  6. Step 6: Final answer
    x = 18,452,752.13

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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.