Home / 21,255,398.38-29,331,506.24-11,836,675.25

Finding the Fourth Proportional to 21,255,398.38, 29,331,506.24 and 11,836,675.25

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Solution

The fourth proportional to 21,255,398.38, 29,331,506.24 and 11,836,675.25 is: 16,334,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255,398.38 : 29,331,506.24 = 11,836,675.25 : x
  2. Step 2: Convert to fraction form
    21,255,398.38/29,331,506.24 = 11,836,675.25/x
  3. Step 3: Cross multiply
    21,255,398.38x = 29,331,506.24 × 11,836,675.25
  4. Step 4: Simplify right side
    21,255,398.38x = 347,187,513,830,231.69
  5. Step 5: Solve for x
    x = 347,187,513,830,231.69/21,255,398.38
  6. Step 6: Final answer
    x = 16,334,086.41

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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.