Home / 7,217,546.37-9,960,213.76-3,954,484.65

Finding the Fourth Proportional to 7,217,546.37, 9,960,213.76 and 3,954,484.65

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Solution

The fourth proportional to 7,217,546.37, 9,960,213.76 and 3,954,484.65 is: 5,457,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,546.37 : 9,960,213.76 = 3,954,484.65 : x
  2. Step 2: Convert to fraction form
    7,217,546.37/9,960,213.76 = 3,954,484.65/x
  3. Step 3: Cross multiply
    7,217,546.37x = 9,960,213.76 × 3,954,484.65
  4. Step 4: Simplify right side
    7,217,546.37x = 39,387,512,424,638.78
  5. Step 5: Solve for x
    x = 39,387,512,424,638.78/7,217,546.37
  6. Step 6: Final answer
    x = 5,457,188.69

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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.