Home / 10,189,380.78-15,284,226.72-2,616,178.86

Finding the Fourth Proportional to 10,189,380.78, 15,284,226.72 and 2,616,178.86

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Solution

The fourth proportional to 10,189,380.78, 15,284,226.72 and 2,616,178.86 is: 3,924,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189,380.78 : 15,284,226.72 = 2,616,178.86 : x
  2. Step 2: Convert to fraction form
    10,189,380.78/15,284,226.72 = 2,616,178.86/x
  3. Step 3: Cross multiply
    10,189,380.78x = 15,284,226.72 × 2,616,178.86
  4. Step 4: Simplify right side
    10,189,380.78x = 39,986,270,836,311.14
  5. Step 5: Solve for x
    x = 39,986,270,836,311.14/10,189,380.78
  6. Step 6: Final answer
    x = 3,924,308.23

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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.