Home / 7,250,542.09-10,005,519.06-3,987,346.73

Finding the Fourth Proportional to 7,250,542.09, 10,005,519.06 and 3,987,346.73

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Solution

The fourth proportional to 7,250,542.09, 10,005,519.06 and 3,987,346.73 is: 5,502,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,542.09 : 10,005,519.06 = 3,987,346.73 : x
  2. Step 2: Convert to fraction form
    7,250,542.09/10,005,519.06 = 3,987,346.73/x
  3. Step 3: Cross multiply
    7,250,542.09x = 10,005,519.06 × 3,987,346.73
  4. Step 4: Simplify right side
    7,250,542.09x = 39,895,473,655,816.08
  5. Step 5: Solve for x
    x = 39,895,473,655,816.08/7,250,542.09
  6. Step 6: Final answer
    x = 5,502,412.53

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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.