Home / 18,529,674.28-25,564,821.69-11,184,716.86

Finding the Fourth Proportional to 18,529,674.28, 25,564,821.69 and 11,184,716.86

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Solution

The fourth proportional to 18,529,674.28, 25,564,821.69 and 11,184,716.86 is: 15,431,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529,674.28 : 25,564,821.69 = 11,184,716.86 : x
  2. Step 2: Convert to fraction form
    18,529,674.28/25,564,821.69 = 11,184,716.86/x
  3. Step 3: Cross multiply
    18,529,674.28x = 25,564,821.69 × 11,184,716.86
  4. Step 4: Simplify right side
    18,529,674.28x = 285,935,292,179,036.69
  5. Step 5: Solve for x
    x = 285,935,292,179,036.69/18,529,674.28
  6. Step 6: Final answer
    x = 15,431,209.85

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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.