Home / 20,343,408.30-28,074,423.15-11,176,281.90

Finding the Fourth Proportional to 20,343,408.30, 28,074,423.15 and 11,176,281.90

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Solution

The fourth proportional to 20,343,408.30, 28,074,423.15 and 11,176,281.90 is: 15,423,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,408.30 : 28,074,423.15 = 11,176,281.90 : x
  2. Step 2: Convert to fraction form
    20,343,408.30/28,074,423.15 = 11,176,281.90/x
  3. Step 3: Cross multiply
    20,343,408.30x = 28,074,423.15 × 11,176,281.90
  4. Step 4: Simplify right side
    20,343,408.30x = 313,767,667,304,286
  5. Step 5: Solve for x
    x = 313,767,667,304,286/20,343,408.30
  6. Step 6: Final answer
    x = 15,423,554.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.