Home / 8,455,427.20-12,683,080.05-2,065,620.70

Finding the Fourth Proportional to 8,455,427.20, 12,683,080.05 and 2,065,620.70

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Solution

The fourth proportional to 8,455,427.20, 12,683,080.05 and 2,065,620.70 is: 3,098,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,427.20 : 12,683,080.05 = 2,065,620.70 : x
  2. Step 2: Convert to fraction form
    8,455,427.20/12,683,080.05 = 2,065,620.70/x
  3. Step 3: Cross multiply
    8,455,427.20x = 12,683,080.05 × 2,065,620.70
  4. Step 4: Simplify right side
    8,455,427.20x = 26,198,432,691,037.04
  5. Step 5: Solve for x
    x = 26,198,432,691,037.04/8,455,427.20
  6. Step 6: Final answer
    x = 3,098,416.21

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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.