Home / 8,989,373.78-12,397,062.75-5,890,771.73

Finding the Fourth Proportional to 8,989,373.78, 12,397,062.75 and 5,890,771.73

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Solution

The fourth proportional to 8,989,373.78, 12,397,062.75 and 5,890,771.73 is: 8,123,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,373.78 : 12,397,062.75 = 5,890,771.73 : x
  2. Step 2: Convert to fraction form
    8,989,373.78/12,397,062.75 = 5,890,771.73/x
  3. Step 3: Cross multiply
    8,989,373.78x = 12,397,062.75 × 5,890,771.73
  4. Step 4: Simplify right side
    8,989,373.78x = 73,028,266,720,750.73
  5. Step 5: Solve for x
    x = 73,028,266,720,750.73/8,989,373.78
  6. Step 6: Final answer
    x = 8,123,843.61

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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.