Home / 18,179,806.05-27,257,111.69-6,817,203.81

Finding the Fourth Proportional to 18,179,806.05, 27,257,111.69 and 6,817,203.81

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Solution

The fourth proportional to 18,179,806.05, 27,257,111.69 and 6,817,203.81 is: 10,221,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,806.05 : 27,257,111.69 = 6,817,203.81 : x
  2. Step 2: Convert to fraction form
    18,179,806.05/27,257,111.69 = 6,817,203.81/x
  3. Step 3: Cross multiply
    18,179,806.05x = 27,257,111.69 × 6,817,203.81
  4. Step 4: Simplify right side
    18,179,806.05x = 185,817,285,628,577.50
  5. Step 5: Solve for x
    x = 185,817,285,628,577.50/18,179,806.05
  6. Step 6: Final answer
    x = 10,221,081.85

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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.