Home / 8,085,807.20-12,128,710.80-5,960,043.20

Finding the Fourth Proportional to 8,085,807.20, 12,128,710.80 and 5,960,043.20

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Solution

The fourth proportional to 8,085,807.20, 12,128,710.80 and 5,960,043.20 is: 8,940,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,807.20 : 12,128,710.80 = 5,960,043.20 : x
  2. Step 2: Convert to fraction form
    8,085,807.20/12,128,710.80 = 5,960,043.20/x
  3. Step 3: Cross multiply
    8,085,807.20x = 12,128,710.80 × 5,960,043.20
  4. Step 4: Simplify right side
    8,085,807.20x = 72,287,640,328,306.56
  5. Step 5: Solve for x
    x = 72,287,640,328,306.56/8,085,807.20
  6. Step 6: Final answer
    x = 8,940,064.80

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Similar ratio
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1.5x scale

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.