Home / 8,403,200.80-12,604,801.20-8,216,576.80

Finding the Fourth Proportional to 8,403,200.80, 12,604,801.20 and 8,216,576.80

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Solution

The fourth proportional to 8,403,200.80, 12,604,801.20 and 8,216,576.80 is: 12,324,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,200.80 : 12,604,801.20 = 8,216,576.80 : x
  2. Step 2: Convert to fraction form
    8,403,200.80/12,604,801.20 = 8,216,576.80/x
  3. Step 3: Cross multiply
    8,403,200.80x = 12,604,801.20 × 8,216,576.80
  4. Step 4: Simplify right side
    8,403,200.80x = 103,568,317,108,532.16
  5. Step 5: Solve for x
    x = 103,568,317,108,532.16/8,403,200.80
  6. Step 6: Final answer
    x = 12,324,865.20

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Double scale
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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.