Home / 18,418,173.40-27,646,422-13,565,958.52

Finding the Fourth Proportional to 18,418,173.40, 27,646,422 and 13,565,958.52

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Solution

The fourth proportional to 18,418,173.40, 27,646,422 and 13,565,958.52 is: 20,363,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,173.40 : 27,646,422 = 13,565,958.52 : x
  2. Step 2: Convert to fraction form
    18,418,173.40/27,646,422 = 13,565,958.52/x
  3. Step 3: Cross multiply
    18,418,173.40x = 27,646,422 × 13,565,958.52
  4. Step 4: Simplify right side
    18,418,173.40x = 375,050,214,078,415.44
  5. Step 5: Solve for x
    x = 375,050,214,078,415.44/18,418,173.40
  6. Step 6: Final answer
    x = 20,363,051.53

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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.