Home / 12,243,209.28-16,895,769.84-7,016,113.92

Finding the Fourth Proportional to 12,243,209.28, 16,895,769.84 and 7,016,113.92

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Solution

The fourth proportional to 12,243,209.28, 16,895,769.84 and 7,016,113.92 is: 9,682,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243,209.28 : 16,895,769.84 = 7,016,113.92 : x
  2. Step 2: Convert to fraction form
    12,243,209.28/16,895,769.84 = 7,016,113.92/x
  3. Step 3: Cross multiply
    12,243,209.28x = 16,895,769.84 × 7,016,113.92
  4. Step 4: Simplify right side
    12,243,209.28x = 118,542,645,963,540.17
  5. Step 5: Solve for x
    x = 118,542,645,963,540.17/12,243,209.28
  6. Step 6: Final answer
    x = 9,682,318.03

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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.