Home / 10,198,885.72-15,299,449.40-3,372,972.47

Finding the Fourth Proportional to 10,198,885.72, 15,299,449.40 and 3,372,972.47

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Solution

The fourth proportional to 10,198,885.72, 15,299,449.40 and 3,372,972.47 is: 5,059,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198,885.72 : 15,299,449.40 = 3,372,972.47 : x
  2. Step 2: Convert to fraction form
    10,198,885.72/15,299,449.40 = 3,372,972.47/x
  3. Step 3: Cross multiply
    10,198,885.72x = 15,299,449.40 × 3,372,972.47
  4. Step 4: Simplify right side
    10,198,885.72x = 51,604,621,632,358.02
  5. Step 5: Solve for x
    x = 51,604,621,632,358.02/10,198,885.72
  6. Step 6: Final answer
    x = 5,059,829.38

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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.