Home / 20,115,378.30-30,173,067.45-14,488,664.70

Finding the Fourth Proportional to 20,115,378.30, 30,173,067.45 and 14,488,664.70

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Solution

The fourth proportional to 20,115,378.30, 30,173,067.45 and 14,488,664.70 is: 21,732,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,378.30 : 30,173,067.45 = 14,488,664.70 : x
  2. Step 2: Convert to fraction form
    20,115,378.30/30,173,067.45 = 14,488,664.70/x
  3. Step 3: Cross multiply
    20,115,378.30x = 30,173,067.45 × 14,488,664.70
  4. Step 4: Simplify right side
    20,115,378.30x = 437,167,457,253,534
  5. Step 5: Solve for x
    x = 437,167,457,253,534/20,115,378.30
  6. Step 6: Final answer
    x = 21,732,997.05

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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.