Home / 8,979,139.20-13,468,708.80-6,286,504.80

Finding the Fourth Proportional to 8,979,139.20, 13,468,708.80 and 6,286,504.80

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Solution

The fourth proportional to 8,979,139.20, 13,468,708.80 and 6,286,504.80 is: 9,429,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,139.20 : 13,468,708.80 = 6,286,504.80 : x
  2. Step 2: Convert to fraction form
    8,979,139.20/13,468,708.80 = 6,286,504.80/x
  3. Step 3: Cross multiply
    8,979,139.20x = 13,468,708.80 × 6,286,504.80
  4. Step 4: Simplify right side
    8,979,139.20x = 84,671,102,521,002.23
  5. Step 5: Solve for x
    x = 84,671,102,521,002.23/8,979,139.20
  6. Step 6: Final answer
    x = 9,429,757.20

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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.