Home / 13,454,286.30-18,567,348.12-7,652,918.88

Finding the Fourth Proportional to 13,454,286.30, 18,567,348.12 and 7,652,918.88

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Solution

The fourth proportional to 13,454,286.30, 18,567,348.12 and 7,652,918.88 is: 10,561,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,286.30 : 18,567,348.12 = 7,652,918.88 : x
  2. Step 2: Convert to fraction form
    13,454,286.30/18,567,348.12 = 7,652,918.88/x
  3. Step 3: Cross multiply
    13,454,286.30x = 18,567,348.12 × 7,652,918.88
  4. Step 4: Simplify right side
    13,454,286.30x = 142,094,408,979,080.50
  5. Step 5: Solve for x
    x = 142,094,408,979,080.50/13,454,286.30
  6. Step 6: Final answer
    x = 10,561,274.36

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