Home / 7,250,544.09-10,005,521.82-3,987,348.73

Finding the Fourth Proportional to 7,250,544.09, 10,005,521.82 and 3,987,348.73

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Solution

The fourth proportional to 7,250,544.09, 10,005,521.82 and 3,987,348.73 is: 5,502,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,544.09 : 10,005,521.82 = 3,987,348.73 : x
  2. Step 2: Convert to fraction form
    7,250,544.09/10,005,521.82 = 3,987,348.73/x
  3. Step 3: Cross multiply
    7,250,544.09x = 10,005,521.82 × 3,987,348.73
  4. Step 4: Simplify right side
    7,250,544.09x = 39,895,504,721,964.29
  5. Step 5: Solve for x
    x = 39,895,504,721,964.29/7,250,544.09
  6. Step 6: Final answer
    x = 5,502,415.30

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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.