Home / 30,896,906.92-42,639,186.20-17,145,984.04

Finding the Fourth Proportional to 30,896,906.92, 42,639,186.20 and 17,145,984.04

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Solution

The fourth proportional to 30,896,906.92, 42,639,186.20 and 17,145,984.04 is: 23,662,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896,906.92 : 42,639,186.20 = 17,145,984.04 : x
  2. Step 2: Convert to fraction form
    30,896,906.92/42,639,186.20 = 17,145,984.04/x
  3. Step 3: Cross multiply
    30,896,906.92x = 42,639,186.20 × 17,145,984.04
  4. Step 4: Simplify right side
    30,896,906.92x = 731,090,806,063,788.25
  5. Step 5: Solve for x
    x = 731,090,806,063,788.25/30,896,906.92
  6. Step 6: Final answer
    x = 23,662,265.22

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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.