Home / 13,324,562.20-18,388,022.52-7,818,030.73

Finding the Fourth Proportional to 13,324,562.20, 18,388,022.52 and 7,818,030.73

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Solution

The fourth proportional to 13,324,562.20, 18,388,022.52 and 7,818,030.73 is: 10,788,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,562.20 : 18,388,022.52 = 7,818,030.73 : x
  2. Step 2: Convert to fraction form
    13,324,562.20/18,388,022.52 = 7,818,030.73/x
  3. Step 3: Cross multiply
    13,324,562.20x = 18,388,022.52 × 7,818,030.73
  4. Step 4: Simplify right side
    13,324,562.20x = 143,758,125,125,292.03
  5. Step 5: Solve for x
    x = 143,758,125,125,292.03/13,324,562.20
  6. Step 6: Final answer
    x = 10,788,956.74

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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.