Home / 13,016,601.44-17,956,834.80-8,190,366.56

Finding the Fourth Proportional to 13,016,601.44, 17,956,834.80 and 8,190,366.56

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Solution

The fourth proportional to 13,016,601.44, 17,956,834.80 and 8,190,366.56 is: 11,298,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,601.44 : 17,956,834.80 = 8,190,366.56 : x
  2. Step 2: Convert to fraction form
    13,016,601.44/17,956,834.80 = 8,190,366.56/x
  3. Step 3: Cross multiply
    13,016,601.44x = 17,956,834.80 × 8,190,366.56
  4. Step 4: Simplify right side
    13,016,601.44x = 147,073,059,269,364.28
  5. Step 5: Solve for x
    x = 147,073,059,269,364.28/13,016,601.44
  6. Step 6: Final answer
    x = 11,298,883.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.