Home / 7,217,558.87-9,960,231.02-3,954,497.22

Finding the Fourth Proportional to 7,217,558.87, 9,960,231.02 and 3,954,497.22

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Solution

The fourth proportional to 7,217,558.87, 9,960,231.02 and 3,954,497.22 is: 5,457,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,558.87 : 9,960,231.02 = 3,954,497.22 : x
  2. Step 2: Convert to fraction form
    7,217,558.87/9,960,231.02 = 3,954,497.22/x
  3. Step 3: Cross multiply
    7,217,558.87x = 9,960,231.02 × 3,954,497.22
  4. Step 4: Simplify right side
    7,217,558.87x = 39,387,705,859,375.28
  5. Step 5: Solve for x
    x = 39,387,705,859,375.28/7,217,558.87
  6. Step 6: Final answer
    x = 5,457,206.04

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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.