Home / 8,266,206.30-12,377,191.05-5,258,103.90

Finding the Fourth Proportional to 8,266,206.30, 12,377,191.05 and 5,258,103.90

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Solution

The fourth proportional to 8,266,206.30, 12,377,191.05 and 5,258,103.90 is: 7,873,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,206.30 : 12,377,191.05 = 5,258,103.90 : x
  2. Step 2: Convert to fraction form
    8,266,206.30/12,377,191.05 = 5,258,103.90/x
  3. Step 3: Cross multiply
    8,266,206.30x = 12,377,191.05 × 5,258,103.90
  4. Step 4: Simplify right side
    8,266,206.30x = 65,080,556,531,050.10
  5. Step 5: Solve for x
    x = 65,080,556,531,050.10/8,266,206.30
  6. Step 6: Final answer
    x = 7,873,086.42

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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.