Home / 13,768,042.08-20,649,341.52-13,085,257.44

Finding the Fourth Proportional to 13,768,042.08, 20,649,341.52 and 13,085,257.44

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Solution

The fourth proportional to 13,768,042.08, 20,649,341.52 and 13,085,257.44 is: 19,625,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,042.08 : 20,649,341.52 = 13,085,257.44 : x
  2. Step 2: Convert to fraction form
    13,768,042.08/20,649,341.52 = 13,085,257.44/x
  3. Step 3: Cross multiply
    13,768,042.08x = 20,649,341.52 × 13,085,257.44
  4. Step 4: Simplify right side
    13,768,042.08x = 270,201,949,755,680.91
  5. Step 5: Solve for x
    x = 270,201,949,755,680.91/13,768,042.08
  6. Step 6: Final answer
    x = 19,625,299.53

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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.