Home / 16,195,996.92-22,335,990.12-13,438,310.16

Finding the Fourth Proportional to 16,195,996.92, 22,335,990.12 and 13,438,310.16

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Solution

The fourth proportional to 16,195,996.92, 22,335,990.12 and 13,438,310.16 is: 18,532,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195,996.92 : 22,335,990.12 = 13,438,310.16 : x
  2. Step 2: Convert to fraction form
    16,195,996.92/22,335,990.12 = 13,438,310.16/x
  3. Step 3: Cross multiply
    16,195,996.92x = 22,335,990.12 × 13,438,310.16
  4. Step 4: Simplify right side
    16,195,996.92x = 300,157,962,963,255.62
  5. Step 5: Solve for x
    x = 300,157,962,963,255.62/16,195,996.92
  6. Step 6: Final answer
    x = 18,532,848.85

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1.5x scale

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.