Home / 7,452,042.30-10,284,907.41-4,189,125.78

Finding the Fourth Proportional to 7,452,042.30, 10,284,907.41 and 4,189,125.78

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Solution

The fourth proportional to 7,452,042.30, 10,284,907.41 and 4,189,125.78 is: 5,781,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,042.30 : 10,284,907.41 = 4,189,125.78 : x
  2. Step 2: Convert to fraction form
    7,452,042.30/10,284,907.41 = 4,189,125.78/x
  3. Step 3: Cross multiply
    7,452,042.30x = 10,284,907.41 × 4,189,125.78
  4. Step 4: Simplify right side
    7,452,042.30x = 43,084,770,776,144.03
  5. Step 5: Solve for x
    x = 43,084,770,776,144.03/7,452,042.30
  6. Step 6: Final answer
    x = 5,781,605.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.