Home / 17,382,679.70-26,042,915.55-8,387,402.90

Finding the Fourth Proportional to 17,382,679.70, 26,042,915.55 and 8,387,402.90

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Solution

The fourth proportional to 17,382,679.70, 26,042,915.55 and 8,387,402.90 is: 12,566,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382,679.70 : 26,042,915.55 = 8,387,402.90 : x
  2. Step 2: Convert to fraction form
    17,382,679.70/26,042,915.55 = 8,387,402.90/x
  3. Step 3: Cross multiply
    17,382,679.70x = 26,042,915.55 × 8,387,402.90
  4. Step 4: Simplify right side
    17,382,679.70x = 218,432,425,408,525.12
  5. Step 5: Solve for x
    x = 218,432,425,408,525.12/17,382,679.70
  6. Step 6: Final answer
    x = 12,566,096.20

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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.