Home / 21,137,383.33-29,170,307.07-20,168,832.10

Finding the Fourth Proportional to 21,137,383.33, 29,170,307.07 and 20,168,832.10

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Solution

The fourth proportional to 21,137,383.33, 29,170,307.07 and 20,168,832.10 is: 27,833,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137,383.33 : 29,170,307.07 = 20,168,832.10 : x
  2. Step 2: Convert to fraction form
    21,137,383.33/29,170,307.07 = 20,168,832.10/x
  3. Step 3: Cross multiply
    21,137,383.33x = 29,170,307.07 × 20,168,832.10
  4. Step 4: Simplify right side
    21,137,383.33x = 588,331,025,600,273
  5. Step 5: Solve for x
    x = 588,331,025,600,273/21,137,383.33
  6. Step 6: Final answer
    x = 27,833,673.47

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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.