Home / 7,250,675.57-10,005,732.47-3,987,490.23

Finding the Fourth Proportional to 7,250,675.57, 10,005,732.47 and 3,987,490.23

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Solution

The fourth proportional to 7,250,675.57, 10,005,732.47 and 3,987,490.23 is: 5,502,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,675.57 : 10,005,732.47 = 3,987,490.23 : x
  2. Step 2: Convert to fraction form
    7,250,675.57/10,005,732.47 = 3,987,490.23/x
  3. Step 3: Cross multiply
    7,250,675.57x = 10,005,732.47 × 3,987,490.23
  4. Step 4: Simplify right side
    7,250,675.57x = 39,897,760,448,181.31
  5. Step 5: Solve for x
    x = 39,897,760,448,181.31/7,250,675.57
  6. Step 6: Final answer
    x = 5,502,626.63

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1.5x scale

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.