Home / 18,696,933.36-28,055,274.33-13,267,114.38

Finding the Fourth Proportional to 18,696,933.36, 28,055,274.33 and 13,267,114.38

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Solution

The fourth proportional to 18,696,933.36, 28,055,274.33 and 13,267,114.38 is: 19,907,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,933.36 : 28,055,274.33 = 13,267,114.38 : x
  2. Step 2: Convert to fraction form
    18,696,933.36/28,055,274.33 = 13,267,114.38/x
  3. Step 3: Cross multiply
    18,696,933.36x = 28,055,274.33 × 13,267,114.38
  4. Step 4: Simplify right side
    18,696,933.36x = 372,212,533,498,387.88
  5. Step 5: Solve for x
    x = 372,212,533,498,387.88/18,696,933.36
  6. Step 6: Final answer
    x = 19,907,678.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.