Home / 8,325,748.82-12,489,479.66-3,142,724.10

Finding the Fourth Proportional to 8,325,748.82, 12,489,479.66 and 3,142,724.10

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Solution

The fourth proportional to 8,325,748.82, 12,489,479.66 and 3,142,724.10 is: 4,714,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325,748.82 : 12,489,479.66 = 3,142,724.10 : x
  2. Step 2: Convert to fraction form
    8,325,748.82/12,489,479.66 = 3,142,724.10/x
  3. Step 3: Cross multiply
    8,325,748.82x = 12,489,479.66 × 3,142,724.10
  4. Step 4: Simplify right side
    8,325,748.82x = 39,250,988,723,941.80
  5. Step 5: Solve for x
    x = 39,250,988,723,941.80/8,325,748.82
  6. Step 6: Final answer
    x = 4,714,409.43

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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.