Home / 21,548,418.47-29,737,445.49-11,759,493.18

Finding the Fourth Proportional to 21,548,418.47, 29,737,445.49 and 11,759,493.18

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Solution

The fourth proportional to 21,548,418.47, 29,737,445.49 and 11,759,493.18 is: 16,228,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,418.47 : 29,737,445.49 = 11,759,493.18 : x
  2. Step 2: Convert to fraction form
    21,548,418.47/29,737,445.49 = 11,759,493.18/x
  3. Step 3: Cross multiply
    21,548,418.47x = 29,737,445.49 × 11,759,493.18
  4. Step 4: Simplify right side
    21,548,418.47x = 349,697,287,541,792.12
  5. Step 5: Solve for x
    x = 349,697,287,541,792.12/21,548,418.47
  6. Step 6: Final answer
    x = 16,228,443.31

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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.