Home / 30,387,478-41,938,713.18-17,331,744.04

Finding the Fourth Proportional to 30,387,478, 41,938,713.18 and 17,331,744.04

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Solution

The fourth proportional to 30,387,478, 41,938,713.18 and 17,331,744.04 is: 23,920,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387,478 : 41,938,713.18 = 17,331,744.04 : x
  2. Step 2: Convert to fraction form
    30,387,478/41,938,713.18 = 17,331,744.04/x
  3. Step 3: Cross multiply
    30,387,478x = 41,938,713.18 × 17,331,744.04
  4. Step 4: Simplify right side
    30,387,478x = 726,871,042,202,734.38
  5. Step 5: Solve for x
    x = 726,871,042,202,734.38/30,387,478
  6. Step 6: Final answer
    x = 23,920,084.52

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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.