Home / 18,442,015.20-27,639,403.20-14,160,962.70

Finding the Fourth Proportional to 18,442,015.20, 27,639,403.20 and 14,160,962.70

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Solution

The fourth proportional to 18,442,015.20, 27,639,403.20 and 14,160,962.70 is: 21,223,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,015.20 : 27,639,403.20 = 14,160,962.70 : x
  2. Step 2: Convert to fraction form
    18,442,015.20/27,639,403.20 = 14,160,962.70/x
  3. Step 3: Cross multiply
    18,442,015.20x = 27,639,403.20 × 14,160,962.70
  4. Step 4: Simplify right side
    18,442,015.20x = 391,400,557,765,460.62
  5. Step 5: Solve for x
    x = 391,400,557,765,460.62/18,442,015.20
  6. Step 6: Final answer
    x = 21,223,307.41

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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.