Home / 8,065,193.40-12,097,790.10-7,449,334.20

Finding the Fourth Proportional to 8,065,193.40, 12,097,790.10 and 7,449,334.20

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Solution

The fourth proportional to 8,065,193.40, 12,097,790.10 and 7,449,334.20 is: 11,174,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,193.40 : 12,097,790.10 = 7,449,334.20 : x
  2. Step 2: Convert to fraction form
    8,065,193.40/12,097,790.10 = 7,449,334.20/x
  3. Step 3: Cross multiply
    8,065,193.40x = 12,097,790.10 × 7,449,334.20
  4. Step 4: Simplify right side
    8,065,193.40x = 90,120,481,536,351.42
  5. Step 5: Solve for x
    x = 90,120,481,536,351.42/8,065,193.40
  6. Step 6: Final answer
    x = 11,174,001.30

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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.