Home / 18,882,002.20-28,334,667.30-7,521,266.20

Finding the Fourth Proportional to 18,882,002.20, 28,334,667.30 and 7,521,266.20

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Solution

The fourth proportional to 18,882,002.20, 28,334,667.30 and 7,521,266.20 is: 11,286,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,002.20 : 28,334,667.30 = 7,521,266.20 : x
  2. Step 2: Convert to fraction form
    18,882,002.20/28,334,667.30 = 7,521,266.20/x
  3. Step 3: Cross multiply
    18,882,002.20x = 28,334,667.30 × 7,521,266.20
  4. Step 4: Simplify right side
    18,882,002.20x = 213,112,575,451,735.28
  5. Step 5: Solve for x
    x = 213,112,575,451,735.28/18,882,002.20
  6. Step 6: Final answer
    x = 11,286,545.42

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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.