Home / 8,540,022.80-12,810,034.20-8,171,440.40

Finding the Fourth Proportional to 8,540,022.80, 12,810,034.20 and 8,171,440.40

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Solution

The fourth proportional to 8,540,022.80, 12,810,034.20 and 8,171,440.40 is: 12,257,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,022.80 : 12,810,034.20 = 8,171,440.40 : x
  2. Step 2: Convert to fraction form
    8,540,022.80/12,810,034.20 = 8,171,440.40/x
  3. Step 3: Cross multiply
    8,540,022.80x = 12,810,034.20 × 8,171,440.40
  4. Step 4: Simplify right side
    8,540,022.80x = 104,676,430,987,261.67
  5. Step 5: Solve for x
    x = 104,676,430,987,261.67/8,540,022.80
  6. Step 6: Final answer
    x = 12,257,160.60

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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.