Home / 13,009,046.12-19,513,517.28-5,815,535.46

Finding the Fourth Proportional to 13,009,046.12, 19,513,517.28 and 5,815,535.46

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Solution

The fourth proportional to 13,009,046.12, 19,513,517.28 and 5,815,535.46 is: 8,723,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,046.12 : 19,513,517.28 = 5,815,535.46 : x
  2. Step 2: Convert to fraction form
    13,009,046.12/19,513,517.28 = 5,815,535.46/x
  3. Step 3: Cross multiply
    13,009,046.12x = 19,513,517.28 × 5,815,535.46
  4. Step 4: Simplify right side
    13,009,046.12x = 113,481,551,691,162.75
  5. Step 5: Solve for x
    x = 113,481,551,691,162.75/13,009,046.12
  6. Step 6: Final answer
    x = 8,723,279.99

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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.