Home / 8,091,132.80-12,138,471.48-3,042,443.30

Finding the Fourth Proportional to 8,091,132.80, 12,138,471.48 and 3,042,443.30

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Solution

The fourth proportional to 8,091,132.80, 12,138,471.48 and 3,042,443.30 is: 4,564,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,132.80 : 12,138,471.48 = 3,042,443.30 : x
  2. Step 2: Convert to fraction form
    8,091,132.80/12,138,471.48 = 3,042,443.30/x
  3. Step 3: Cross multiply
    8,091,132.80x = 12,138,471.48 × 3,042,443.30
  4. Step 4: Simplify right side
    8,091,132.80x = 36,930,611,226,567.09
  5. Step 5: Solve for x
    x = 36,930,611,226,567.09/8,091,132.80
  6. Step 6: Final answer
    x = 4,564,331.37

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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.