Home / 30,947,097.22-42,706,144.82-17,195,707.78

Finding the Fourth Proportional to 30,947,097.22, 42,706,144.82 and 17,195,707.78

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Solution

The fourth proportional to 30,947,097.22, 42,706,144.82 and 17,195,707.78 is: 23,729,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947,097.22 : 42,706,144.82 = 17,195,707.78 : x
  2. Step 2: Convert to fraction form
    30,947,097.22/42,706,144.82 = 17,195,707.78/x
  3. Step 3: Cross multiply
    30,947,097.22x = 42,706,144.82 × 17,195,707.78
  4. Step 4: Simplify right side
    30,947,097.22x = 734,362,386,735,080.75
  5. Step 5: Solve for x
    x = 734,362,386,735,080.75/30,947,097.22
  6. Step 6: Final answer
    x = 23,729,604.80

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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.