Home / 20,025,787.78-27,636,130.49-11,325,261.47

Finding the Fourth Proportional to 20,025,787.78, 27,636,130.49 and 11,325,261.47

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Solution

The fourth proportional to 20,025,787.78, 27,636,130.49 and 11,325,261.47 is: 15,629,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,787.78 : 27,636,130.49 = 11,325,261.47 : x
  2. Step 2: Convert to fraction form
    20,025,787.78/27,636,130.49 = 11,325,261.47/x
  3. Step 3: Cross multiply
    20,025,787.78x = 27,636,130.49 × 11,325,261.47
  4. Step 4: Simplify right side
    20,025,787.78x = 312,986,403,830,753.25
  5. Step 5: Solve for x
    x = 312,986,403,830,753.25/20,025,787.78
  6. Step 6: Final answer
    x = 15,629,168.12

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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.