Home / 13,107,164.80-19,660,747.20-8,005,331.20

Finding the Fourth Proportional to 13,107,164.80, 19,660,747.20 and 8,005,331.20

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Solution

The fourth proportional to 13,107,164.80, 19,660,747.20 and 8,005,331.20 is: 12,007,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,164.80 : 19,660,747.20 = 8,005,331.20 : x
  2. Step 2: Convert to fraction form
    13,107,164.80/19,660,747.20 = 8,005,331.20/x
  3. Step 3: Cross multiply
    13,107,164.80x = 19,660,747.20 × 8,005,331.20
  4. Step 4: Simplify right side
    13,107,164.80x = 157,390,792,975,472.62
  5. Step 5: Solve for x
    x = 157,390,792,975,472.62/13,107,164.80
  6. Step 6: Final answer
    x = 12,007,996.80

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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.