Home / 20,677,175.73-28,534,268.16-11,384,556.03

Finding the Fourth Proportional to 20,677,175.73, 28,534,268.16 and 11,384,556.03

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Solution

The fourth proportional to 20,677,175.73, 28,534,268.16 and 11,384,556.03 is: 15,710,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677,175.73 : 28,534,268.16 = 11,384,556.03 : x
  2. Step 2: Convert to fraction form
    20,677,175.73/28,534,268.16 = 11,384,556.03/x
  3. Step 3: Cross multiply
    20,677,175.73x = 28,534,268.16 × 11,384,556.03
  4. Step 4: Simplify right side
    20,677,175.73x = 324,849,974,642,565
  5. Step 5: Solve for x
    x = 324,849,974,642,565/20,677,175.73
  6. Step 6: Final answer
    x = 15,710,558.29

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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.