Home / 9,397,780.72-12,944,679.37-6,639,680.41

Finding the Fourth Proportional to 9,397,780.72, 12,944,679.37 and 6,639,680.41

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Solution

The fourth proportional to 9,397,780.72, 12,944,679.37 and 6,639,680.41 is: 9,145,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397,780.72 : 12,944,679.37 = 6,639,680.41 : x
  2. Step 2: Convert to fraction form
    9,397,780.72/12,944,679.37 = 6,639,680.41/x
  3. Step 3: Cross multiply
    9,397,780.72x = 12,944,679.37 × 6,639,680.41
  4. Step 4: Simplify right side
    9,397,780.72x = 85,948,533,977,759.23
  5. Step 5: Solve for x
    x = 85,948,533,977,759.23/9,397,780.72
  6. Step 6: Final answer
    x = 9,145,620.29

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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.