Home / 8,122,585.20-12,183,877.80-7,240,786.80

Finding the Fourth Proportional to 8,122,585.20, 12,183,877.80 and 7,240,786.80

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Solution

The fourth proportional to 8,122,585.20, 12,183,877.80 and 7,240,786.80 is: 10,861,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,585.20 : 12,183,877.80 = 7,240,786.80 : x
  2. Step 2: Convert to fraction form
    8,122,585.20/12,183,877.80 = 7,240,786.80/x
  3. Step 3: Cross multiply
    8,122,585.20x = 12,183,877.80 × 7,240,786.80
  4. Step 4: Simplify right side
    8,122,585.20x = 88,220,861,547,053.05
  5. Step 5: Solve for x
    x = 88,220,861,547,053.05/8,122,585.20
  6. Step 6: Final answer
    x = 10,861,180.20

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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.