Home / 13,935,489.40-20,895,098.46-5,405,858.92

Finding the Fourth Proportional to 13,935,489.40, 20,895,098.46 and 5,405,858.92

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Solution

The fourth proportional to 13,935,489.40, 20,895,098.46 and 5,405,858.92 is: 8,105,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,489.40 : 20,895,098.46 = 5,405,858.92 : x
  2. Step 2: Convert to fraction form
    13,935,489.40/20,895,098.46 = 5,405,858.92/x
  3. Step 3: Cross multiply
    13,935,489.40x = 20,895,098.46 × 5,405,858.92
  4. Step 4: Simplify right side
    13,935,489.40x = 112,955,954,394,269.27
  5. Step 5: Solve for x
    x = 112,955,954,394,269.27/13,935,489.40
  6. Step 6: Final answer
    x = 8,105,632.40

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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.