Home / 30,813,394.80-42,521,963.94-17,062,063.68

Finding the Fourth Proportional to 30,813,394.80, 42,521,963.94 and 17,062,063.68

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Solution

The fourth proportional to 30,813,394.80, 42,521,963.94 and 17,062,063.68 is: 23,545,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,394.80 : 42,521,963.94 = 17,062,063.68 : x
  2. Step 2: Convert to fraction form
    30,813,394.80/42,521,963.94 = 17,062,063.68/x
  3. Step 3: Cross multiply
    30,813,394.80x = 42,521,963.94 × 17,062,063.68
  4. Step 4: Simplify right side
    30,813,394.80x = 725,512,456,542,943.62
  5. Step 5: Solve for x
    x = 725,512,456,542,943.62/30,813,394.80
  6. Step 6: Final answer
    x = 23,545,359.45

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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.