Home / 8,508,003.60-12,762,005.40-8,177,329.20

Finding the Fourth Proportional to 8,508,003.60, 12,762,005.40 and 8,177,329.20

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Solution

The fourth proportional to 8,508,003.60, 12,762,005.40 and 8,177,329.20 is: 12,265,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,003.60 : 12,762,005.40 = 8,177,329.20 : x
  2. Step 2: Convert to fraction form
    8,508,003.60/12,762,005.40 = 8,177,329.20/x
  3. Step 3: Cross multiply
    8,508,003.60x = 12,762,005.40 × 8,177,329.20
  4. Step 4: Simplify right side
    8,508,003.60x = 104,359,119,407,977.69
  5. Step 5: Solve for x
    x = 104,359,119,407,977.69/8,508,003.60
  6. Step 6: Final answer
    x = 12,265,993.80

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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.