Home / 12,469,226.70-18,693,472.05-5,286,276.30

Finding the Fourth Proportional to 12,469,226.70, 18,693,472.05 and 5,286,276.30

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Solution

The fourth proportional to 12,469,226.70, 18,693,472.05 and 5,286,276.30 is: 7,925,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,226.70 : 18,693,472.05 = 5,286,276.30 : x
  2. Step 2: Convert to fraction form
    12,469,226.70/18,693,472.05 = 5,286,276.30/x
  3. Step 3: Cross multiply
    12,469,226.70x = 18,693,472.05 × 5,286,276.30
  4. Step 4: Simplify right side
    12,469,226.70x = 98,818,858,262,627.42
  5. Step 5: Solve for x
    x = 98,818,858,262,627.42/12,469,226.70
  6. Step 6: Final answer
    x = 7,925,018.98

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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.