Home / 38,491,366.90-53,118,131.25-20,850,305.14

Finding the Fourth Proportional to 38,491,366.90, 53,118,131.25 and 20,850,305.14

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Solution

The fourth proportional to 38,491,366.90, 53,118,131.25 and 20,850,305.14 is: 28,773,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491,366.90 : 53,118,131.25 = 20,850,305.14 : x
  2. Step 2: Convert to fraction form
    38,491,366.90/53,118,131.25 = 20,850,305.14/x
  3. Step 3: Cross multiply
    38,491,366.90x = 53,118,131.25 × 20,850,305.14
  4. Step 4: Simplify right side
    38,491,366.90x = 1,107,529,245,029,069.62
  5. Step 5: Solve for x
    x = 1,107,529,245,029,069.62/38,491,366.90
  6. Step 6: Final answer
    x = 28,773,445.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.