Home / 8,979,418.40-12,391,863.12-4,905,104.16

Finding the Fourth Proportional to 8,979,418.40, 12,391,863.12 and 4,905,104.16

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Solution

The fourth proportional to 8,979,418.40, 12,391,863.12 and 4,905,104.16 is: 6,769,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,418.40 : 12,391,863.12 = 4,905,104.16 : x
  2. Step 2: Convert to fraction form
    8,979,418.40/12,391,863.12 = 4,905,104.16/x
  3. Step 3: Cross multiply
    8,979,418.40x = 12,391,863.12 × 4,905,104.16
  4. Step 4: Simplify right side
    8,979,418.40x = 60,783,379,340,062.58
  5. Step 5: Solve for x
    x = 60,783,379,340,062.58/8,979,418.40
  6. Step 6: Final answer
    x = 6,769,188.90

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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.