Home / 7,250,472.09-10,005,451.92-3,987,286.83

Finding the Fourth Proportional to 7,250,472.09, 10,005,451.92 and 3,987,286.83

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Solution

The fourth proportional to 7,250,472.09, 10,005,451.92 and 3,987,286.83 is: 5,502,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,472.09 : 10,005,451.92 = 3,987,286.83 : x
  2. Step 2: Convert to fraction form
    7,250,472.09/10,005,451.92 = 3,987,286.83/x
  3. Step 3: Cross multiply
    7,250,472.09x = 10,005,451.92 × 3,987,286.83
  4. Step 4: Simplify right side
    7,250,472.09x = 39,894,606,668,814.21
  5. Step 5: Solve for x
    x = 39,894,606,668,814.21/7,250,472.09
  6. Step 6: Final answer
    x = 5,502,346.08

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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.