Home / 30,813,974.39-42,522,761.81-17,062,643.27

Finding the Fourth Proportional to 30,813,974.39, 42,522,761.81 and 17,062,643.27

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Solution

The fourth proportional to 30,813,974.39, 42,522,761.81 and 17,062,643.27 is: 23,546,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,974.39 : 42,522,761.81 = 17,062,643.27 : x
  2. Step 2: Convert to fraction form
    30,813,974.39/42,522,761.81 = 17,062,643.27/x
  3. Step 3: Cross multiply
    30,813,974.39x = 42,522,761.81 × 17,062,643.27
  4. Step 4: Simplify right side
    30,813,974.39x = 725,550,715,321,282.50
  5. Step 5: Solve for x
    x = 725,550,715,321,282.50/30,813,974.39
  6. Step 6: Final answer
    x = 23,546,158.19

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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.