Home / 18,279,983.21-25,211,667.60-16,070,121.05

Finding the Fourth Proportional to 18,279,983.21, 25,211,667.60 and 16,070,121.05

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Solution

The fourth proportional to 18,279,983.21, 25,211,667.60 and 16,070,121.05 is: 22,163,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,983.21 : 25,211,667.60 = 16,070,121.05 : x
  2. Step 2: Convert to fraction form
    18,279,983.21/25,211,667.60 = 16,070,121.05/x
  3. Step 3: Cross multiply
    18,279,983.21x = 25,211,667.60 × 16,070,121.05
  4. Step 4: Simplify right side
    18,279,983.21x = 405,154,550,078,304.69
  5. Step 5: Solve for x
    x = 405,154,550,078,304.69/18,279,983.21
  6. Step 6: Final answer
    x = 22,163,836.01

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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.