Home / 18,457,142.76-27,667,718.64-7,374,911.76

Finding the Fourth Proportional to 18,457,142.76, 27,667,718.64 and 7,374,911.76

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Solution

The fourth proportional to 18,457,142.76, 27,667,718.64 and 7,374,911.76 is: 11,055,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,142.76 : 27,667,718.64 = 7,374,911.76 : x
  2. Step 2: Convert to fraction form
    18,457,142.76/27,667,718.64 = 7,374,911.76/x
  3. Step 3: Cross multiply
    18,457,142.76x = 27,667,718.64 × 7,374,911.76
  4. Step 4: Simplify right side
    18,457,142.76x = 204,046,983,570,507.22
  5. Step 5: Solve for x
    x = 204,046,983,570,507.22/18,457,142.76
  6. Step 6: Final answer
    x = 11,055,177.19

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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.