Home / 8,091,352.10-12,137,028.15-7,279,537.70

Finding the Fourth Proportional to 8,091,352.10, 12,137,028.15 and 7,279,537.70

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Solution

The fourth proportional to 8,091,352.10, 12,137,028.15 and 7,279,537.70 is: 10,919,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,352.10 : 12,137,028.15 = 7,279,537.70 : x
  2. Step 2: Convert to fraction form
    8,091,352.10/12,137,028.15 = 7,279,537.70/x
  3. Step 3: Cross multiply
    8,091,352.10x = 12,137,028.15 × 7,279,537.70
  4. Step 4: Simplify right side
    8,091,352.10x = 88,351,953,983,886.27
  5. Step 5: Solve for x
    x = 88,351,953,983,886.27/8,091,352.10
  6. Step 6: Final answer
    x = 10,919,306.55

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Similar ratio
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1.5x scale

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.