Home / 30,946,858.32-42,707,625.10-17,007,959.80

Finding the Fourth Proportional to 30,946,858.32, 42,707,625.10 and 17,007,959.80

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Solution

The fourth proportional to 30,946,858.32, 42,707,625.10 and 17,007,959.80 is: 23,471,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946,858.32 : 42,707,625.10 = 17,007,959.80 : x
  2. Step 2: Convert to fraction form
    30,946,858.32/42,707,625.10 = 17,007,959.80/x
  3. Step 3: Cross multiply
    30,946,858.32x = 42,707,625.10 × 17,007,959.80
  4. Step 4: Simplify right side
    30,946,858.32x = 726,369,570,854,271
  5. Step 5: Solve for x
    x = 726,369,570,854,271/30,946,858.32
  6. Step 6: Final answer
    x = 23,471,512.47

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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.