Home / 18,589,784.40-27,884,676.60-7,819,246.80

Finding the Fourth Proportional to 18,589,784.40, 27,884,676.60 and 7,819,246.80

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Solution

The fourth proportional to 18,589,784.40, 27,884,676.60 and 7,819,246.80 is: 11,728,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,784.40 : 27,884,676.60 = 7,819,246.80 : x
  2. Step 2: Convert to fraction form
    18,589,784.40/27,884,676.60 = 7,819,246.80/x
  3. Step 3: Cross multiply
    18,589,784.40x = 27,884,676.60 × 7,819,246.80
  4. Step 4: Simplify right side
    18,589,784.40x = 218,037,168,273,584.88
  5. Step 5: Solve for x
    x = 218,037,168,273,584.88/18,589,784.40
  6. Step 6: Final answer
    x = 11,728,870.20

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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.