Home / 21,102,072.54-29,120,860.10-11,444,280.54

Finding the Fourth Proportional to 21,102,072.54, 29,120,860.10 and 11,444,280.54

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Solution

The fourth proportional to 21,102,072.54, 29,120,860.10 and 11,444,280.54 is: 15,793,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,072.54 : 29,120,860.10 = 11,444,280.54 : x
  2. Step 2: Convert to fraction form
    21,102,072.54/29,120,860.10 = 11,444,280.54/x
  3. Step 3: Cross multiply
    21,102,072.54x = 29,120,860.10 × 11,444,280.54
  4. Step 4: Simplify right side
    21,102,072.54x = 333,267,292,567,878.44
  5. Step 5: Solve for x
    x = 333,267,292,567,878.44/21,102,072.54
  6. Step 6: Final answer
    x = 15,793,107.14

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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.