Home / 10,987,545.60-16,499,980.80-8,150,860.80

Finding the Fourth Proportional to 10,987,545.60, 16,499,980.80 and 8,150,860.80

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Solution

The fourth proportional to 10,987,545.60, 16,499,980.80 and 8,150,860.80 is: 12,240,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,545.60 : 16,499,980.80 = 8,150,860.80 : x
  2. Step 2: Convert to fraction form
    10,987,545.60/16,499,980.80 = 8,150,860.80/x
  3. Step 3: Cross multiply
    10,987,545.60x = 16,499,980.80 × 8,150,860.80
  4. Step 4: Simplify right side
    10,987,545.60x = 134,489,046,703,472.64
  5. Step 5: Solve for x
    x = 134,489,046,703,472.64/10,987,545.60
  6. Step 6: Final answer
    x = 12,240,135.48

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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.