Home / 8,448,332.80-12,672,499.20-8,199,500.80

Finding the Fourth Proportional to 8,448,332.80, 12,672,499.20 and 8,199,500.80

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Solution

The fourth proportional to 8,448,332.80, 12,672,499.20 and 8,199,500.80 is: 12,299,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,332.80 : 12,672,499.20 = 8,199,500.80 : x
  2. Step 2: Convert to fraction form
    8,448,332.80/12,672,499.20 = 8,199,500.80/x
  3. Step 3: Cross multiply
    8,448,332.80x = 12,672,499.20 × 8,199,500.80
  4. Step 4: Simplify right side
    8,448,332.80x = 103,908,167,328,399.34
  5. Step 5: Solve for x
    x = 103,908,167,328,399.34/8,448,332.80
  6. Step 6: Final answer
    x = 12,299,251.20

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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.