Home / 13,691,856.06-20,542,081.55-8,233,235.28

Finding the Fourth Proportional to 13,691,856.06, 20,542,081.55 and 8,233,235.28

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Solution

The fourth proportional to 13,691,856.06, 20,542,081.55 and 8,233,235.28 is: 12,352,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,856.06 : 20,542,081.55 = 8,233,235.28 : x
  2. Step 2: Convert to fraction form
    13,691,856.06/20,542,081.55 = 8,233,235.28/x
  3. Step 3: Cross multiply
    13,691,856.06x = 20,542,081.55 × 8,233,235.28
  4. Step 4: Simplify right side
    13,691,856.06x = 169,127,790,500,930.94
  5. Step 5: Solve for x
    x = 169,127,790,500,930.94/13,691,856.06
  6. Step 6: Final answer
    x = 12,352,437.08

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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.