Home / 18,375,651.60-27,561,374.24-4,913,529.36

Finding the Fourth Proportional to 18,375,651.60, 27,561,374.24 and 4,913,529.36

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Solution

The fourth proportional to 18,375,651.60, 27,561,374.24 and 4,913,529.36 is: 7,369,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,651.60 : 27,561,374.24 = 4,913,529.36 : x
  2. Step 2: Convert to fraction form
    18,375,651.60/27,561,374.24 = 4,913,529.36/x
  3. Step 3: Cross multiply
    18,375,651.60x = 27,561,374.24 × 4,913,529.36
  4. Step 4: Simplify right side
    18,375,651.60x = 135,423,621,505,620.05
  5. Step 5: Solve for x
    x = 135,423,621,505,620.05/18,375,651.60
  6. Step 6: Final answer
    x = 7,369,731.67

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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.