Home / 13,458,958.20-20,160,443.70-11,219,470.20

Finding the Fourth Proportional to 13,458,958.20, 20,160,443.70 and 11,219,470.20

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Solution

The fourth proportional to 13,458,958.20, 20,160,443.70 and 11,219,470.20 is: 16,805,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,958.20 : 20,160,443.70 = 11,219,470.20 : x
  2. Step 2: Convert to fraction form
    13,458,958.20/20,160,443.70 = 11,219,470.20/x
  3. Step 3: Cross multiply
    13,458,958.20x = 20,160,443.70 × 11,219,470.20
  4. Step 4: Simplify right side
    13,458,958.20x = 226,189,497,310,927.72
  5. Step 5: Solve for x
    x = 226,189,497,310,927.72/13,458,958.20
  6. Step 6: Final answer
    x = 16,805,869.66

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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.