Home / 21,728,660.40-32,581,180.80-8,950,456.80

Finding the Fourth Proportional to 21,728,660.40, 32,581,180.80 and 8,950,456.80

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Solution

The fourth proportional to 21,728,660.40, 32,581,180.80 and 8,950,456.80 is: 13,420,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,660.40 : 32,581,180.80 = 8,950,456.80 : x
  2. Step 2: Convert to fraction form
    21,728,660.40/32,581,180.80 = 8,950,456.80/x
  3. Step 3: Cross multiply
    21,728,660.40x = 32,581,180.80 × 8,950,456.80
  4. Step 4: Simplify right side
    21,728,660.40x = 291,616,451,243,389.50
  5. Step 5: Solve for x
    x = 291,616,451,243,389.50/21,728,660.40
  6. Step 6: Final answer
    x = 13,420,820.51

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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.