Home / 20,154,529.80-30,231,794.70-11,053,110.60

Finding the Fourth Proportional to 20,154,529.80, 30,231,794.70 and 11,053,110.60

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Solution

The fourth proportional to 20,154,529.80, 30,231,794.70 and 11,053,110.60 is: 16,579,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,529.80 : 30,231,794.70 = 11,053,110.60 : x
  2. Step 2: Convert to fraction form
    20,154,529.80/30,231,794.70 = 11,053,110.60/x
  3. Step 3: Cross multiply
    20,154,529.80x = 30,231,794.70 × 11,053,110.60
  4. Step 4: Simplify right side
    20,154,529.80x = 334,155,370,455,593.81
  5. Step 5: Solve for x
    x = 334,155,370,455,593.81/20,154,529.80
  6. Step 6: Final answer
    x = 16,579,665.90

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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.