Home / 10,787,427.20-16,181,140.80-2,809,251.20

Finding the Fourth Proportional to 10,787,427.20, 16,181,140.80 and 2,809,251.20

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Solution

The fourth proportional to 10,787,427.20, 16,181,140.80 and 2,809,251.20 is: 4,213,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,427.20 : 16,181,140.80 = 2,809,251.20 : x
  2. Step 2: Convert to fraction form
    10,787,427.20/16,181,140.80 = 2,809,251.20/x
  3. Step 3: Cross multiply
    10,787,427.20x = 16,181,140.80 × 2,809,251.20
  4. Step 4: Simplify right side
    10,787,427.20x = 45,456,889,209,768.97
  5. Step 5: Solve for x
    x = 45,456,889,209,768.97/10,787,427.20
  6. Step 6: Final answer
    x = 4,213,876.80

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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.