Home / 7,072,479.60-10,612,866.60-2,585,209.20

Finding the Fourth Proportional to 7,072,479.60, 10,612,866.60 and 2,585,209.20

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Solution

The fourth proportional to 7,072,479.60, 10,612,866.60 and 2,585,209.20 is: 3,879,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,479.60 : 10,612,866.60 = 2,585,209.20 : x
  2. Step 2: Convert to fraction form
    7,072,479.60/10,612,866.60 = 2,585,209.20/x
  3. Step 3: Cross multiply
    7,072,479.60x = 10,612,866.60 × 2,585,209.20
  4. Step 4: Simplify right side
    7,072,479.60x = 27,436,480,372,692.72
  5. Step 5: Solve for x
    x = 27,436,480,372,692.72/7,072,479.60
  6. Step 6: Final answer
    x = 3,879,329.73

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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.