Home / 18,810,773.43-28,209,390.81-6,511,394.94

Finding the Fourth Proportional to 18,810,773.43, 28,209,390.81 and 6,511,394.94

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Solution

The fourth proportional to 18,810,773.43, 28,209,390.81 and 6,511,394.94 is: 9,764,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810,773.43 : 28,209,390.81 = 6,511,394.94 : x
  2. Step 2: Convert to fraction form
    18,810,773.43/28,209,390.81 = 6,511,394.94/x
  3. Step 3: Cross multiply
    18,810,773.43x = 28,209,390.81 × 6,511,394.94
  4. Step 4: Simplify right side
    18,810,773.43x = 183,682,484,517,654.22
  5. Step 5: Solve for x
    x = 183,682,484,517,654.22/18,810,773.43
  6. Step 6: Final answer
    x = 9,764,749.19

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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.