Home / 8,065,281.40-12,097,922.10-7,449,422.20

Finding the Fourth Proportional to 8,065,281.40, 12,097,922.10 and 7,449,422.20

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Solution

The fourth proportional to 8,065,281.40, 12,097,922.10 and 7,449,422.20 is: 11,174,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,281.40 : 12,097,922.10 = 7,449,422.20 : x
  2. Step 2: Convert to fraction form
    8,065,281.40/12,097,922.10 = 7,449,422.20/x
  3. Step 3: Cross multiply
    8,065,281.40x = 12,097,922.10 × 7,449,422.20
  4. Step 4: Simplify right side
    8,065,281.40x = 90,122,529,465,610.62
  5. Step 5: Solve for x
    x = 90,122,529,465,610.62/8,065,281.40
  6. Step 6: Final answer
    x = 11,174,133.30

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Similar ratio
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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.