Home / 7,148,571.30-10,728,172.71-2,888,776.44

Finding the Fourth Proportional to 7,148,571.30, 10,728,172.71 and 2,888,776.44

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Solution

The fourth proportional to 7,148,571.30, 10,728,172.71 and 2,888,776.44 is: 4,335,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,571.30 : 10,728,172.71 = 2,888,776.44 : x
  2. Step 2: Convert to fraction form
    7,148,571.30/10,728,172.71 = 2,888,776.44/x
  3. Step 3: Cross multiply
    7,148,571.30x = 10,728,172.71 × 2,888,776.44
  4. Step 4: Simplify right side
    7,148,571.30x = 30,991,292,568,898.95
  5. Step 5: Solve for x
    x = 30,991,292,568,898.95/7,148,571.30
  6. Step 6: Final answer
    x = 4,335,312.79

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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.