Home / 8,979,165.20-13,468,747.80-6,286,530.80

Finding the Fourth Proportional to 8,979,165.20, 13,468,747.80 and 6,286,530.80

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Solution

The fourth proportional to 8,979,165.20, 13,468,747.80 and 6,286,530.80 is: 9,429,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,165.20 : 13,468,747.80 = 6,286,530.80 : x
  2. Step 2: Convert to fraction form
    8,979,165.20/13,468,747.80 = 6,286,530.80/x
  3. Step 3: Cross multiply
    8,979,165.20x = 13,468,747.80 × 6,286,530.80
  4. Step 4: Simplify right side
    8,979,165.20x = 84,671,697,882,132.23
  5. Step 5: Solve for x
    x = 84,671,697,882,132.23/8,979,165.20
  6. Step 6: Final answer
    x = 9,429,796.20

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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.