Home / 18,147,228.40-27,220,842.60-8,049,849.40

Finding the Fourth Proportional to 18,147,228.40, 27,220,842.60 and 8,049,849.40

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Solution

The fourth proportional to 18,147,228.40, 27,220,842.60 and 8,049,849.40 is: 12,074,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,228.40 : 27,220,842.60 = 8,049,849.40 : x
  2. Step 2: Convert to fraction form
    18,147,228.40/27,220,842.60 = 8,049,849.40/x
  3. Step 3: Cross multiply
    18,147,228.40x = 27,220,842.60 × 8,049,849.40
  4. Step 4: Simplify right side
    18,147,228.40x = 219,123,683,471,104.47
  5. Step 5: Solve for x
    x = 219,123,683,471,104.47/18,147,228.40
  6. Step 6: Final answer
    x = 12,074,774.10

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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.