Home / 7,410,198.11-10,225,853.69-4,102,639.70

Finding the Fourth Proportional to 7,410,198.11, 10,225,853.69 and 4,102,639.70

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Solution

The fourth proportional to 7,410,198.11, 10,225,853.69 and 4,102,639.70 is: 5,661,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410,198.11 : 10,225,853.69 = 4,102,639.70 : x
  2. Step 2: Convert to fraction form
    7,410,198.11/10,225,853.69 = 4,102,639.70/x
  3. Step 3: Cross multiply
    7,410,198.11x = 10,225,853.69 × 4,102,639.70
  4. Step 4: Simplify right side
    7,410,198.11x = 41,952,993,243,343.02
  5. Step 5: Solve for x
    x = 41,952,993,243,343.02/7,410,198.11
  6. Step 6: Final answer
    x = 5,661,521.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.