Home / 9,207,826.18-12,702,769.05-8,780,923.78

Finding the Fourth Proportional to 9,207,826.18, 12,702,769.05 and 8,780,923.78

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Solution

The fourth proportional to 9,207,826.18, 12,702,769.05 and 8,780,923.78 is: 12,113,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,826.18 : 12,702,769.05 = 8,780,923.78 : x
  2. Step 2: Convert to fraction form
    9,207,826.18/12,702,769.05 = 8,780,923.78/x
  3. Step 3: Cross multiply
    9,207,826.18x = 12,702,769.05 × 8,780,923.78
  4. Step 4: Simplify right side
    9,207,826.18x = 111,542,046,822,993
  5. Step 5: Solve for x
    x = 111,542,046,822,993/9,207,826.18
  6. Step 6: Final answer
    x = 12,113,830.63

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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.