Home / 18,882,008.20-28,334,676.30-7,521,272.20

Finding the Fourth Proportional to 18,882,008.20, 28,334,676.30 and 7,521,272.20

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Solution

The fourth proportional to 18,882,008.20, 28,334,676.30 and 7,521,272.20 is: 11,286,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,008.20 : 28,334,676.30 = 7,521,272.20 : x
  2. Step 2: Convert to fraction form
    18,882,008.20/28,334,676.30 = 7,521,272.20/x
  3. Step 3: Cross multiply
    18,882,008.20x = 28,334,676.30 × 7,521,272.20
  4. Step 4: Simplify right side
    18,882,008.20x = 213,112,813,151,188.88
  5. Step 5: Solve for x
    x = 213,112,813,151,188.88/18,882,008.20
  6. Step 6: Final answer
    x = 11,286,554.42

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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.