Home / 8,040,675.80-12,061,013.70-7,505,298.20

Finding the Fourth Proportional to 8,040,675.80, 12,061,013.70 and 7,505,298.20

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Solution

The fourth proportional to 8,040,675.80, 12,061,013.70 and 7,505,298.20 is: 11,257,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,675.80 : 12,061,013.70 = 7,505,298.20 : x
  2. Step 2: Convert to fraction form
    8,040,675.80/12,061,013.70 = 7,505,298.20/x
  3. Step 3: Cross multiply
    8,040,675.80x = 12,061,013.70 × 7,505,298.20
  4. Step 4: Simplify right side
    8,040,675.80x = 90,521,504,412,785.34
  5. Step 5: Solve for x
    x = 90,521,504,412,785.34/8,040,675.80
  6. Step 6: Final answer
    x = 11,257,947.30

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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.