Home / 18,144,865.80-27,217,298.70-12,396,846.60

Finding the Fourth Proportional to 18,144,865.80, 27,217,298.70 and 12,396,846.60

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Solution

The fourth proportional to 18,144,865.80, 27,217,298.70 and 12,396,846.60 is: 18,595,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,865.80 : 27,217,298.70 = 12,396,846.60 : x
  2. Step 2: Convert to fraction form
    18,144,865.80/27,217,298.70 = 12,396,846.60/x
  3. Step 3: Cross multiply
    18,144,865.80x = 27,217,298.70 × 12,396,846.60
  4. Step 4: Simplify right side
    18,144,865.80x = 337,408,676,850,279.38
  5. Step 5: Solve for x
    x = 337,408,676,850,279.38/18,144,865.80
  6. Step 6: Final answer
    x = 18,595,269.90

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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.