Home / 8,244,642.40-12,366,963.60-6,921,944.80

Finding the Fourth Proportional to 8,244,642.40, 12,366,963.60 and 6,921,944.80

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Solution

The fourth proportional to 8,244,642.40, 12,366,963.60 and 6,921,944.80 is: 10,382,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244,642.40 : 12,366,963.60 = 6,921,944.80 : x
  2. Step 2: Convert to fraction form
    8,244,642.40/12,366,963.60 = 6,921,944.80/x
  3. Step 3: Cross multiply
    8,244,642.40x = 12,366,963.60 × 6,921,944.80
  4. Step 4: Simplify right side
    8,244,642.40x = 85,603,439,382,809.28
  5. Step 5: Solve for x
    x = 85,603,439,382,809.28/8,244,642.40
  6. Step 6: Final answer
    x = 10,382,917.20

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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.