Home / 8,093,959.70-12,140,939.55-7,720,711.70

Finding the Fourth Proportional to 8,093,959.70, 12,140,939.55 and 7,720,711.70

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Solution

The fourth proportional to 8,093,959.70, 12,140,939.55 and 7,720,711.70 is: 11,581,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,959.70 : 12,140,939.55 = 7,720,711.70 : x
  2. Step 2: Convert to fraction form
    8,093,959.70/12,140,939.55 = 7,720,711.70/x
  3. Step 3: Cross multiply
    8,093,959.70x = 12,140,939.55 × 7,720,711.70
  4. Step 4: Simplify right side
    8,093,959.70x = 93,736,694,032,677.75
  5. Step 5: Solve for x
    x = 93,736,694,032,677.75/8,093,959.70
  6. Step 6: Final answer
    x = 11,581,067.55

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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.