Home / 13,805,631.28-20,708,446.92-4,221,009.82

Finding the Fourth Proportional to 13,805,631.28, 20,708,446.92 and 4,221,009.82

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Solution

The fourth proportional to 13,805,631.28, 20,708,446.92 and 4,221,009.82 is: 6,331,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805,631.28 : 20,708,446.92 = 4,221,009.82 : x
  2. Step 2: Convert to fraction form
    13,805,631.28/20,708,446.92 = 4,221,009.82/x
  3. Step 3: Cross multiply
    13,805,631.28x = 20,708,446.92 × 4,221,009.82
  4. Step 4: Simplify right side
    13,805,631.28x = 87,410,557,806,268.77
  5. Step 5: Solve for x
    x = 87,410,557,806,268.77/13,805,631.28
  6. Step 6: Final answer
    x = 6,331,514.73

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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.