Home / 19,542,632.80-29,299,952.40-8,177,231.20

Finding the Fourth Proportional to 19,542,632.80, 29,299,952.40 and 8,177,231.20

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Solution

The fourth proportional to 19,542,632.80, 29,299,952.40 and 8,177,231.20 is: 12,259,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,632.80 : 29,299,952.40 = 8,177,231.20 : x
  2. Step 2: Convert to fraction form
    19,542,632.80/29,299,952.40 = 8,177,231.20/x
  3. Step 3: Cross multiply
    19,542,632.80x = 29,299,952.40 × 8,177,231.20
  4. Step 4: Simplify right side
    19,542,632.80x = 239,592,484,923,794.88
  5. Step 5: Solve for x
    x = 239,592,484,923,794.88/19,542,632.80
  6. Step 6: Final answer
    x = 12,259,990.11

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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.