Home / 8,144,297.20-12,216,445.80-5,416,233.40

Finding the Fourth Proportional to 8,144,297.20, 12,216,445.80 and 5,416,233.40

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Solution

The fourth proportional to 8,144,297.20, 12,216,445.80 and 5,416,233.40 is: 8,124,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144,297.20 : 12,216,445.80 = 5,416,233.40 : x
  2. Step 2: Convert to fraction form
    8,144,297.20/12,216,445.80 = 5,416,233.40/x
  3. Step 3: Cross multiply
    8,144,297.20x = 12,216,445.80 × 5,416,233.40
  4. Step 4: Simplify right side
    8,144,297.20x = 66,167,121,771,249.73
  5. Step 5: Solve for x
    x = 66,167,121,771,249.73/8,144,297.20
  6. Step 6: Final answer
    x = 8,124,350.10

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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.