Home / 10,691,260.80-16,040,563.20-3,119,337.60

Finding the Fourth Proportional to 10,691,260.80, 16,040,563.20 and 3,119,337.60

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Solution

The fourth proportional to 10,691,260.80, 16,040,563.20 and 3,119,337.60 is: 4,680,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,260.80 : 16,040,563.20 = 3,119,337.60 : x
  2. Step 2: Convert to fraction form
    10,691,260.80/16,040,563.20 = 3,119,337.60/x
  3. Step 3: Cross multiply
    10,691,260.80x = 16,040,563.20 × 3,119,337.60
  4. Step 4: Simplify right side
    10,691,260.80x = 50,035,931,914,936.32
  5. Step 5: Solve for x
    x = 50,035,931,914,936.32/10,691,260.80
  6. Step 6: Final answer
    x = 4,680,077.76

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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.