Home / 13,309,675.20-19,956,639.60-6,932,383.20

Finding the Fourth Proportional to 13,309,675.20, 19,956,639.60 and 6,932,383.20

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Solution

The fourth proportional to 13,309,675.20, 19,956,639.60 and 6,932,383.20 is: 10,394,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,675.20 : 19,956,639.60 = 6,932,383.20 : x
  2. Step 2: Convert to fraction form
    13,309,675.20/19,956,639.60 = 6,932,383.20/x
  3. Step 3: Cross multiply
    13,309,675.20x = 19,956,639.60 × 6,932,383.20
  4. Step 4: Simplify right side
    13,309,675.20x = 138,347,073,091,494.73
  5. Step 5: Solve for x
    x = 138,347,073,091,494.73/13,309,675.20
  6. Step 6: Final answer
    x = 10,394,474.02

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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.