Home / 9,942,786.15-13,722,928.25-6,223,341.89

Finding the Fourth Proportional to 9,942,786.15, 13,722,928.25 and 6,223,341.89

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Solution

The fourth proportional to 9,942,786.15, 13,722,928.25 and 6,223,341.89 is: 8,589,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942,786.15 : 13,722,928.25 = 6,223,341.89 : x
  2. Step 2: Convert to fraction form
    9,942,786.15/13,722,928.25 = 6,223,341.89/x
  3. Step 3: Cross multiply
    9,942,786.15x = 13,722,928.25 × 6,223,341.89
  4. Step 4: Simplify right side
    9,942,786.15x = 85,402,474,231,689.39
  5. Step 5: Solve for x
    x = 85,402,474,231,689.39/9,942,786.15
  6. Step 6: Final answer
    x = 8,589,390.63

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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.