Home / 7,171,673.73-9,896,620.91-3,908,418.23

Finding the Fourth Proportional to 7,171,673.73, 9,896,620.91 and 3,908,418.23

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Solution

The fourth proportional to 7,171,673.73, 9,896,620.91 and 3,908,418.23 is: 5,393,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,673.73 : 9,896,620.91 = 3,908,418.23 : x
  2. Step 2: Convert to fraction form
    7,171,673.73/9,896,620.91 = 3,908,418.23/x
  3. Step 3: Cross multiply
    7,171,673.73x = 9,896,620.91 × 3,908,418.23
  4. Step 4: Simplify right side
    7,171,673.73x = 38,680,133,511,017.99
  5. Step 5: Solve for x
    x = 38,680,133,511,017.99/7,171,673.73
  6. Step 6: Final answer
    x = 5,393,459.74

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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.