Home / 7,217,882.55-9,960,925.86-3,954,687.39

Finding the Fourth Proportional to 7,217,882.55, 9,960,925.86 and 3,954,687.39

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Solution

The fourth proportional to 7,217,882.55, 9,960,925.86 and 3,954,687.39 is: 5,457,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,882.55 : 9,960,925.86 = 3,954,687.39 : x
  2. Step 2: Convert to fraction form
    7,217,882.55/9,960,925.86 = 3,954,687.39/x
  3. Step 3: Cross multiply
    7,217,882.55x = 9,960,925.86 × 3,954,687.39
  4. Step 4: Simplify right side
    7,217,882.55x = 39,392,347,891,266.91
  5. Step 5: Solve for x
    x = 39,392,347,891,266.91/7,217,882.55
  6. Step 6: Final answer
    x = 5,457,604.45

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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.