Home / 8,816,928.29-12,171,432.92-5,286,395.66

Finding the Fourth Proportional to 8,816,928.29, 12,171,432.92 and 5,286,395.66

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Solution

The fourth proportional to 8,816,928.29, 12,171,432.92 and 5,286,395.66 is: 7,297,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816,928.29 : 12,171,432.92 = 5,286,395.66 : x
  2. Step 2: Convert to fraction form
    8,816,928.29/12,171,432.92 = 5,286,395.66/x
  3. Step 3: Cross multiply
    8,816,928.29x = 12,171,432.92 × 5,286,395.66
  4. Step 4: Simplify right side
    8,816,928.29x = 64,343,010,138,469.26
  5. Step 5: Solve for x
    x = 64,343,010,138,469.26/8,816,928.29
  6. Step 6: Final answer
    x = 7,297,667.40

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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.