Home / 7,879,155.70-11,809,985.55-3,085,251.70

Finding the Fourth Proportional to 7,879,155.70, 11,809,985.55 and 3,085,251.70

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Solution

The fourth proportional to 7,879,155.70, 11,809,985.55 and 3,085,251.70 is: 4,624,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,155.70 : 11,809,985.55 = 3,085,251.70 : x
  2. Step 2: Convert to fraction form
    7,879,155.70/11,809,985.55 = 3,085,251.70/x
  3. Step 3: Cross multiply
    7,879,155.70x = 11,809,985.55 × 3,085,251.70
  4. Step 4: Simplify right side
    7,879,155.70x = 36,436,777,995,112.94
  5. Step 5: Solve for x
    x = 36,436,777,995,112.94/7,879,155.70
  6. Step 6: Final answer
    x = 4,624,452.08

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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.