Home / 18,870,576.40-28,305,864.60-8,093,040.40

Finding the Fourth Proportional to 18,870,576.40, 28,305,864.60 and 8,093,040.40

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Solution

The fourth proportional to 18,870,576.40, 28,305,864.60 and 8,093,040.40 is: 12,139,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,576.40 : 28,305,864.60 = 8,093,040.40 : x
  2. Step 2: Convert to fraction form
    18,870,576.40/28,305,864.60 = 8,093,040.40/x
  3. Step 3: Cross multiply
    18,870,576.40x = 28,305,864.60 × 8,093,040.40
  4. Step 4: Simplify right side
    18,870,576.40x = 229,080,505,764,729.88
  5. Step 5: Solve for x
    x = 229,080,505,764,729.88/18,870,576.40
  6. Step 6: Final answer
    x = 12,139,560.60

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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.