Home / 10,149,638.30-15,227,266.83-4,686,404.78

Finding the Fourth Proportional to 10,149,638.30, 15,227,266.83 and 4,686,404.78

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Solution

The fourth proportional to 10,149,638.30, 15,227,266.83 and 4,686,404.78 is: 7,030,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149,638.30 : 15,227,266.83 = 4,686,404.78 : x
  2. Step 2: Convert to fraction form
    10,149,638.30/15,227,266.83 = 4,686,404.78/x
  3. Step 3: Cross multiply
    10,149,638.30x = 15,227,266.83 × 4,686,404.78
  4. Step 4: Simplify right side
    10,149,638.30x = 71,361,135,982,311.12
  5. Step 5: Solve for x
    x = 71,361,135,982,311.12/10,149,638.30
  6. Step 6: Final answer
    x = 7,030,904.34

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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.