Home / 7,250,709-10,005,778.59-3,987,523.65

Finding the Fourth Proportional to 7,250,709, 10,005,778.59 and 3,987,523.65

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Solution

The fourth proportional to 7,250,709, 10,005,778.59 and 3,987,523.65 is: 5,502,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,709 : 10,005,778.59 = 3,987,523.65 : x
  2. Step 2: Convert to fraction form
    7,250,709/10,005,778.59 = 3,987,523.65/x
  3. Step 3: Cross multiply
    7,250,709x = 10,005,778.59 × 3,987,523.65
  4. Step 4: Simplify right side
    7,250,709x = 39,898,278,764,288.65
  5. Step 5: Solve for x
    x = 39,898,278,764,288.65/7,250,709
  6. Step 6: Final answer
    x = 5,502,672.74

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Double scale
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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.