Home / 7,228,369.73-9,975,165.38-3,965,210.82

Finding the Fourth Proportional to 7,228,369.73, 9,975,165.38 and 3,965,210.82

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Solution

The fourth proportional to 7,228,369.73, 9,975,165.38 and 3,965,210.82 is: 5,471,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,369.73 : 9,975,165.38 = 3,965,210.82 : x
  2. Step 2: Convert to fraction form
    7,228,369.73/9,975,165.38 = 3,965,210.82/x
  3. Step 3: Cross multiply
    7,228,369.73x = 9,975,165.38 × 3,965,210.82
  4. Step 4: Simplify right side
    7,228,369.73x = 39,553,633,696,065.41
  5. Step 5: Solve for x
    x = 39,553,633,696,065.41/7,228,369.73
  6. Step 6: Final answer
    x = 5,471,999.24

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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.