Home / 12,283,206.82-18,427,171.83-4,709,581.90

Finding the Fourth Proportional to 12,283,206.82, 18,427,171.83 and 4,709,581.90

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Solution

The fourth proportional to 12,283,206.82, 18,427,171.83 and 4,709,581.90 is: 7,065,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,206.82 : 18,427,171.83 = 4,709,581.90 : x
  2. Step 2: Convert to fraction form
    12,283,206.82/18,427,171.83 = 4,709,581.90/x
  3. Step 3: Cross multiply
    12,283,206.82x = 18,427,171.83 × 4,709,581.90
  4. Step 4: Simplify right side
    12,283,206.82x = 86,784,274,918,757.88
  5. Step 5: Solve for x
    x = 86,784,274,918,757.88/12,283,206.82
  6. Step 6: Final answer
    x = 7,065,278.33

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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.