Home / 13,016,581.44-17,956,807.20-8,190,346.56

Finding the Fourth Proportional to 13,016,581.44, 17,956,807.20 and 8,190,346.56

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Solution

The fourth proportional to 13,016,581.44, 17,956,807.20 and 8,190,346.56 is: 11,298,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,581.44 : 17,956,807.20 = 8,190,346.56 : x
  2. Step 2: Convert to fraction form
    13,016,581.44/17,956,807.20 = 8,190,346.56/x
  3. Step 3: Cross multiply
    13,016,581.44x = 17,956,807.20 × 8,190,346.56
  4. Step 4: Simplify right side
    13,016,581.44x = 147,072,474,079,103.22
  5. Step 5: Solve for x
    x = 147,072,474,079,103.22/13,016,581.44
  6. Step 6: Final answer
    x = 11,298,855.60

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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.