Home / 7,331,438.40-10,998,469.80-3,072,037.20

Finding the Fourth Proportional to 7,331,438.40, 10,998,469.80 and 3,072,037.20

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Solution

The fourth proportional to 7,331,438.40, 10,998,469.80 and 3,072,037.20 is: 4,608,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331,438.40 : 10,998,469.80 = 3,072,037.20 : x
  2. Step 2: Convert to fraction form
    7,331,438.40/10,998,469.80 = 3,072,037.20/x
  3. Step 3: Cross multiply
    7,331,438.40x = 10,998,469.80 × 3,072,037.20
  4. Step 4: Simplify right side
    7,331,438.40x = 33,787,708,368,676.56
  5. Step 5: Solve for x
    x = 33,787,708,368,676.56/7,331,438.40
  6. Step 6: Final answer
    x = 4,608,605.64

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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.