Home / 10,805,692.38-16,209,673.74-3,519,719.92

Finding the Fourth Proportional to 10,805,692.38, 16,209,673.74 and 3,519,719.92

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Solution

The fourth proportional to 10,805,692.38, 16,209,673.74 and 3,519,719.92 is: 5,279,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805,692.38 : 16,209,673.74 = 3,519,719.92 : x
  2. Step 2: Convert to fraction form
    10,805,692.38/16,209,673.74 = 3,519,719.92/x
  3. Step 3: Cross multiply
    10,805,692.38x = 16,209,673.74 × 3,519,719.92
  4. Step 4: Simplify right side
    10,805,692.38x = 57,053,511,579,640.99
  5. Step 5: Solve for x
    x = 57,053,511,579,640.99/10,805,692.38
  6. Step 6: Final answer
    x = 5,279,949.64

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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.