Home / 18,126,894.61-25,015,774.49-9,866,556.73

Finding the Fourth Proportional to 18,126,894.61, 25,015,774.49 and 9,866,556.73

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Solution

The fourth proportional to 18,126,894.61, 25,015,774.49 and 9,866,556.73 is: 13,616,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,894.61 : 25,015,774.49 = 9,866,556.73 : x
  2. Step 2: Convert to fraction form
    18,126,894.61/25,015,774.49 = 9,866,556.73/x
  3. Step 3: Cross multiply
    18,126,894.61x = 25,015,774.49 × 9,866,556.73
  4. Step 4: Simplify right side
    18,126,894.61x = 246,819,558,150,471.81
  5. Step 5: Solve for x
    x = 246,819,558,150,471.81/18,126,894.61
  6. Step 6: Final answer
    x = 13,616,207.49

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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.