Home / 18,980,993.56-28,476,345.47-5,517,821.56

Finding the Fourth Proportional to 18,980,993.56, 28,476,345.47 and 5,517,821.56

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Solution

The fourth proportional to 18,980,993.56, 28,476,345.47 and 5,517,821.56 is: 8,278,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,993.56 : 28,476,345.47 = 5,517,821.56 : x
  2. Step 2: Convert to fraction form
    18,980,993.56/28,476,345.47 = 5,517,821.56/x
  3. Step 3: Cross multiply
    18,980,993.56x = 28,476,345.47 × 5,517,821.56
  4. Step 4: Simplify right side
    18,980,993.56x = 157,127,392,984,374.31
  5. Step 5: Solve for x
    x = 157,127,392,984,374.31/18,980,993.56
  6. Step 6: Final answer
    x = 8,278,143.74

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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.