Home / 8,154,986.40-12,232,479.60-5,467,600.80

Finding the Fourth Proportional to 8,154,986.40, 12,232,479.60 and 5,467,600.80

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Solution

The fourth proportional to 8,154,986.40, 12,232,479.60 and 5,467,600.80 is: 8,201,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154,986.40 : 12,232,479.60 = 5,467,600.80 : x
  2. Step 2: Convert to fraction form
    8,154,986.40/12,232,479.60 = 5,467,600.80/x
  3. Step 3: Cross multiply
    8,154,986.40x = 12,232,479.60 × 5,467,600.80
  4. Step 4: Simplify right side
    8,154,986.40x = 66,882,315,246,943.67
  5. Step 5: Solve for x
    x = 66,882,315,246,943.67/8,154,986.40
  6. Step 6: Final answer
    x = 8,201,401.20

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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.