Home / 18,216,522.41-27,320,754.65-5,259,861.72

Finding the Fourth Proportional to 18,216,522.41, 27,320,754.65 and 5,259,861.72

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Solution

The fourth proportional to 18,216,522.41, 27,320,754.65 and 5,259,861.72 is: 7,888,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216,522.41 : 27,320,754.65 = 5,259,861.72 : x
  2. Step 2: Convert to fraction form
    18,216,522.41/27,320,754.65 = 5,259,861.72/x
  3. Step 3: Cross multiply
    18,216,522.41x = 27,320,754.65 × 5,259,861.72
  4. Step 4: Simplify right side
    18,216,522.41x = 143,703,391,518,747.69
  5. Step 5: Solve for x
    x = 143,703,391,518,747.69/18,216,522.41
  6. Step 6: Final answer
    x = 7,888,629.25

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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.