Home / 7,217,884.55-9,960,928.62-3,954,689.39

Finding the Fourth Proportional to 7,217,884.55, 9,960,928.62 and 3,954,689.39

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Solution

The fourth proportional to 7,217,884.55, 9,960,928.62 and 3,954,689.39 is: 5,457,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,884.55 : 9,960,928.62 = 3,954,689.39 : x
  2. Step 2: Convert to fraction form
    7,217,884.55/9,960,928.62 = 3,954,689.39/x
  3. Step 3: Cross multiply
    7,217,884.55x = 9,960,928.62 × 3,954,689.39
  4. Step 4: Simplify right side
    7,217,884.55x = 39,392,378,728,061.34
  5. Step 5: Solve for x
    x = 39,392,378,728,061.34/7,217,884.55
  6. Step 6: Final answer
    x = 5,457,607.21

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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.