Home / 12,022,367.32-18,033,549.90-5,290,781.32

Finding the Fourth Proportional to 12,022,367.32, 18,033,549.90 and 5,290,781.32

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Solution

The fourth proportional to 12,022,367.32, 18,033,549.90 and 5,290,781.32 is: 7,936,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022,367.32 : 18,033,549.90 = 5,290,781.32 : x
  2. Step 2: Convert to fraction form
    12,022,367.32/18,033,549.90 = 5,290,781.32/x
  3. Step 3: Cross multiply
    12,022,367.32x = 18,033,549.90 × 5,290,781.32
  4. Step 4: Simplify right side
    12,022,367.32x = 95,411,568,944,207.86
  5. Step 5: Solve for x
    x = 95,411,568,944,207.86/12,022,367.32
  6. Step 6: Final answer
    x = 7,936,171.50

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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.