Home / 13,376,490.90-20,064,736.35-3,279,111.90

Finding the Fourth Proportional to 13,376,490.90, 20,064,736.35 and 3,279,111.90

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Solution

The fourth proportional to 13,376,490.90, 20,064,736.35 and 3,279,111.90 is: 4,918,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,490.90 : 20,064,736.35 = 3,279,111.90 : x
  2. Step 2: Convert to fraction form
    13,376,490.90/20,064,736.35 = 3,279,111.90/x
  3. Step 3: Cross multiply
    13,376,490.90x = 20,064,736.35 × 3,279,111.90
  4. Step 4: Simplify right side
    13,376,490.90x = 65,794,515,735,647.57
  5. Step 5: Solve for x
    x = 65,794,515,735,647.57/13,376,490.90
  6. Step 6: Final answer
    x = 4,918,667.85

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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.