Home / 15,227,165.42-20,990,241.39-9,335,892.83

Finding the Fourth Proportional to 15,227,165.42, 20,990,241.39 and 9,335,892.83

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Solution

The fourth proportional to 15,227,165.42, 20,990,241.39 and 9,335,892.83 is: 12,869,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227,165.42 : 20,990,241.39 = 9,335,892.83 : x
  2. Step 2: Convert to fraction form
    15,227,165.42/20,990,241.39 = 9,335,892.83/x
  3. Step 3: Cross multiply
    15,227,165.42x = 20,990,241.39 × 9,335,892.83
  4. Step 4: Simplify right side
    15,227,165.42x = 195,962,643,987,919.03
  5. Step 5: Solve for x
    x = 195,962,643,987,919.03/15,227,165.42
  6. Step 6: Final answer
    x = 12,869,279.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.