Home / 10,722,496.20-16,081,901.10-3,987,443.40

Finding the Fourth Proportional to 10,722,496.20, 16,081,901.10 and 3,987,443.40

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Solution

The fourth proportional to 10,722,496.20, 16,081,901.10 and 3,987,443.40 is: 5,980,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722,496.20 : 16,081,901.10 = 3,987,443.40 : x
  2. Step 2: Convert to fraction form
    10,722,496.20/16,081,901.10 = 3,987,443.40/x
  3. Step 3: Cross multiply
    10,722,496.20x = 16,081,901.10 × 3,987,443.40
  4. Step 4: Simplify right side
    10,722,496.20x = 64,125,670,400,647.73
  5. Step 5: Solve for x
    x = 64,125,670,400,647.73/10,722,496.20
  6. Step 6: Final answer
    x = 5,980,479.66

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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.