Home / 30,946,858.82-42,707,625.79-17,007,960.30

Finding the Fourth Proportional to 30,946,858.82, 42,707,625.79 and 17,007,960.30

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Solution

The fourth proportional to 30,946,858.82, 42,707,625.79 and 17,007,960.30 is: 23,471,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946,858.82 : 42,707,625.79 = 17,007,960.30 : x
  2. Step 2: Convert to fraction form
    30,946,858.82/42,707,625.79 = 17,007,960.30/x
  3. Step 3: Cross multiply
    30,946,858.82x = 42,707,625.79 × 17,007,960.30
  4. Step 4: Simplify right side
    30,946,858.82x = 726,369,603,943,576.12
  5. Step 5: Solve for x
    x = 726,369,603,943,576.12/30,946,858.82
  6. Step 6: Final answer
    x = 23,471,513.16

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1.5x scale

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.