Home / 8,979,025.20-13,468,537.80-6,286,390.80

Finding the Fourth Proportional to 8,979,025.20, 13,468,537.80 and 6,286,390.80

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Solution

The fourth proportional to 8,979,025.20, 13,468,537.80 and 6,286,390.80 is: 9,429,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,025.20 : 13,468,537.80 = 6,286,390.80 : x
  2. Step 2: Convert to fraction form
    8,979,025.20/13,468,537.80 = 6,286,390.80/x
  3. Step 3: Cross multiply
    8,979,025.20x = 13,468,537.80 × 6,286,390.80
  4. Step 4: Simplify right side
    8,979,025.20x = 84,668,492,115,372.23
  5. Step 5: Solve for x
    x = 84,668,492,115,372.23/8,979,025.20
  6. Step 6: Final answer
    x = 9,429,586.20

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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.