Home / 15,217,243.52-20,997,553.92-9,253,607.96

Finding the Fourth Proportional to 15,217,243.52, 20,997,553.92 and 9,253,607.96

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Solution

The fourth proportional to 15,217,243.52, 20,997,553.92 and 9,253,607.96 is: 12,768,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217,243.52 : 20,997,553.92 = 9,253,607.96 : x
  2. Step 2: Convert to fraction form
    15,217,243.52/20,997,553.92 = 9,253,607.96/x
  3. Step 3: Cross multiply
    15,217,243.52x = 20,997,553.92 × 9,253,607.96
  4. Step 4: Simplify right side
    15,217,243.52x = 194,303,132,094,641.25
  5. Step 5: Solve for x
    x = 194,303,132,094,641.25/15,217,243.52
  6. Step 6: Final answer
    x = 12,768,615.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.