Home / 18,777,747.67-28,166,319.10-5,998,168.15

Finding the Fourth Proportional to 18,777,747.67, 28,166,319.10 and 5,998,168.15

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Solution

The fourth proportional to 18,777,747.67, 28,166,319.10 and 5,998,168.15 is: 8,997,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,747.67 : 28,166,319.10 = 5,998,168.15 : x
  2. Step 2: Convert to fraction form
    18,777,747.67/28,166,319.10 = 5,998,168.15/x
  3. Step 3: Cross multiply
    18,777,747.67x = 28,166,319.10 × 5,998,168.15
  4. Step 4: Simplify right side
    18,777,747.67x = 168,946,318,128,356.69
  5. Step 5: Solve for x
    x = 168,946,318,128,356.69/18,777,747.67
  6. Step 6: Final answer
    x = 8,997,155.63

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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.