Home / 18,943,181.17-28,410,427.80-5,297,286.52

Finding the Fourth Proportional to 18,943,181.17, 28,410,427.80 and 5,297,286.52

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Solution

The fourth proportional to 18,943,181.17, 28,410,427.80 and 5,297,286.52 is: 7,944,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943,181.17 : 28,410,427.80 = 5,297,286.52 : x
  2. Step 2: Convert to fraction form
    18,943,181.17/28,410,427.80 = 5,297,286.52/x
  3. Step 3: Cross multiply
    18,943,181.17x = 28,410,427.80 × 5,297,286.52
  4. Step 4: Simplify right side
    18,943,181.17x = 150,498,176,212,373.25
  5. Step 5: Solve for x
    x = 150,498,176,212,373.25/18,943,181.17
  6. Step 6: Final answer
    x = 7,944,715.03

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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.