Home / 38,148,920.70-57,223,381.05-12,241,171.95

Finding the Fourth Proportional to 38,148,920.70, 57,223,381.05 and 12,241,171.95

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Solution

The fourth proportional to 38,148,920.70, 57,223,381.05 and 12,241,171.95 is: 18,361,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148,920.70 : 57,223,381.05 = 12,241,171.95 : x
  2. Step 2: Convert to fraction form
    38,148,920.70/57,223,381.05 = 12,241,171.95/x
  3. Step 3: Cross multiply
    38,148,920.70x = 57,223,381.05 × 12,241,171.95
  4. Step 4: Simplify right side
    38,148,920.70x = 700,481,246,993,421.50
  5. Step 5: Solve for x
    x = 700,481,246,993,421.50/38,148,920.70
  6. Step 6: Final answer
    x = 18,361,757.93

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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.