Home / 10,806,768.36-16,188,851.16-8,787,292.56

Finding the Fourth Proportional to 10,806,768.36, 16,188,851.16 and 8,787,292.56

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Solution

The fourth proportional to 10,806,768.36, 16,188,851.16 and 8,787,292.56 is: 13,163,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806,768.36 : 16,188,851.16 = 8,787,292.56 : x
  2. Step 2: Convert to fraction form
    10,806,768.36/16,188,851.16 = 8,787,292.56/x
  3. Step 3: Cross multiply
    10,806,768.36x = 16,188,851.16 × 8,787,292.56
  4. Step 4: Simplify right side
    10,806,768.36x = 142,256,171,353,215.38
  5. Step 5: Solve for x
    x = 142,256,171,353,215.38/10,806,768.36
  6. Step 6: Final answer
    x = 13,163,618.08

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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.