Home / 18,972,026.54-28,458,078.69-8,881,733.42

Finding the Fourth Proportional to 18,972,026.54, 28,458,078.69 and 8,881,733.42

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Solution

The fourth proportional to 18,972,026.54, 28,458,078.69 and 8,881,733.42 is: 13,322,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,026.54 : 28,458,078.69 = 8,881,733.42 : x
  2. Step 2: Convert to fraction form
    18,972,026.54/28,458,078.69 = 8,881,733.42/x
  3. Step 3: Cross multiply
    18,972,026.54x = 28,458,078.69 × 8,881,733.42
  4. Step 4: Simplify right side
    18,972,026.54x = 252,757,068,569,962.84
  5. Step 5: Solve for x
    x = 252,757,068,569,962.84/18,972,026.54
  6. Step 6: Final answer
    x = 13,322,618.33

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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.