Home / 13,404,743.30-20,107,892.55-3,820,823.30

Finding the Fourth Proportional to 13,404,743.30, 20,107,892.55 and 3,820,823.30

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Solution

The fourth proportional to 13,404,743.30, 20,107,892.55 and 3,820,823.30 is: 5,731,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,743.30 : 20,107,892.55 = 3,820,823.30 : x
  2. Step 2: Convert to fraction form
    13,404,743.30/20,107,892.55 = 3,820,823.30/x
  3. Step 3: Cross multiply
    13,404,743.30x = 20,107,892.55 × 3,820,823.30
  4. Step 4: Simplify right side
    13,404,743.30x = 76,828,704,368,936.42
  5. Step 5: Solve for x
    x = 76,828,704,368,936.42/13,404,743.30
  6. Step 6: Final answer
    x = 5,731,456.59

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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.