Home / 7,250,705.99-10,005,774.45-3,987,520.65

Finding the Fourth Proportional to 7,250,705.99, 10,005,774.45 and 3,987,520.65

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Solution

The fourth proportional to 7,250,705.99, 10,005,774.45 and 3,987,520.65 is: 5,502,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,705.99 : 10,005,774.45 = 3,987,520.65 : x
  2. Step 2: Convert to fraction form
    7,250,705.99/10,005,774.45 = 3,987,520.65/x
  3. Step 3: Cross multiply
    7,250,705.99x = 10,005,774.45 × 3,987,520.65
  4. Step 4: Simplify right side
    7,250,705.99x = 39,898,232,257,306.90
  5. Step 5: Solve for x
    x = 39,898,232,257,306.90/7,250,705.99
  6. Step 6: Final answer
    x = 5,502,668.61

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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.