Home / 8,959,660.20-13,439,490.30-8,119,852.20

Finding the Fourth Proportional to 8,959,660.20, 13,439,490.30 and 8,119,852.20

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Solution

The fourth proportional to 8,959,660.20, 13,439,490.30 and 8,119,852.20 is: 12,179,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959,660.20 : 13,439,490.30 = 8,119,852.20 : x
  2. Step 2: Convert to fraction form
    8,959,660.20/13,439,490.30 = 8,119,852.20/x
  3. Step 3: Cross multiply
    8,959,660.20x = 13,439,490.30 × 8,119,852.20
  4. Step 4: Simplify right side
    8,959,660.20x = 109,126,674,879,333.67
  5. Step 5: Solve for x
    x = 109,126,674,879,333.67/8,959,660.20
  6. Step 6: Final answer
    x = 12,179,778.30

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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.