Home / 10,458,214.30-15,687,321.45-2,885,167.90

Finding the Fourth Proportional to 10,458,214.30, 15,687,321.45 and 2,885,167.90

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Solution

The fourth proportional to 10,458,214.30, 15,687,321.45 and 2,885,167.90 is: 4,327,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,214.30 : 15,687,321.45 = 2,885,167.90 : x
  2. Step 2: Convert to fraction form
    10,458,214.30/15,687,321.45 = 2,885,167.90/x
  3. Step 3: Cross multiply
    10,458,214.30x = 15,687,321.45 × 2,885,167.90
  4. Step 4: Simplify right side
    10,458,214.30x = 45,260,556,284,521.45
  5. Step 5: Solve for x
    x = 45,260,556,284,521.45/10,458,214.30
  6. Step 6: Final answer
    x = 4,327,751.85

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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.