Home / 17,381,778.90-26,078,889.15-7,287,494.10

Finding the Fourth Proportional to 17,381,778.90, 26,078,889.15 and 7,287,494.10

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Solution

The fourth proportional to 17,381,778.90, 26,078,889.15 and 7,287,494.10 is: 10,933,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,778.90 : 26,078,889.15 = 7,287,494.10 : x
  2. Step 2: Convert to fraction form
    17,381,778.90/26,078,889.15 = 7,287,494.10/x
  3. Step 3: Cross multiply
    17,381,778.90x = 26,078,889.15 × 7,287,494.10
  4. Step 4: Simplify right side
    17,381,778.90x = 190,049,750,815,179
  5. Step 5: Solve for x
    x = 190,049,750,815,179/17,381,778.90
  6. Step 6: Final answer
    x = 10,933,849.29

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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.