Home / 15,092,768.56-20,827,989.12-8,217,190.48

Finding the Fourth Proportional to 15,092,768.56, 20,827,989.12 and 8,217,190.48

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Solution

The fourth proportional to 15,092,768.56, 20,827,989.12 and 8,217,190.48 is: 11,339,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,092,768.56 : 20,827,989.12 = 8,217,190.48 : x
  2. Step 2: Convert to fraction form
    15,092,768.56/20,827,989.12 = 8,217,190.48/x
  3. Step 3: Cross multiply
    15,092,768.56x = 20,827,989.12 × 8,217,190.48
  4. Step 4: Simplify right side
    15,092,768.56x = 171,147,553,914,407.59
  5. Step 5: Solve for x
    x = 171,147,553,914,407.59/15,092,768.56
  6. Step 6: Final answer
    x = 11,339,705.72

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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.