Home / 55,196,628.10-82,794,942.15-18,846,063.70

Finding the Fourth Proportional to 55,196,628.10, 82,794,942.15 and 18,846,063.70

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Solution

The fourth proportional to 55,196,628.10, 82,794,942.15 and 18,846,063.70 is: 28,269,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,628.10 : 82,794,942.15 = 18,846,063.70 : x
  2. Step 2: Convert to fraction form
    55,196,628.10/82,794,942.15 = 18,846,063.70/x
  3. Step 3: Cross multiply
    55,196,628.10x = 82,794,942.15 × 18,846,063.70
  4. Step 4: Simplify right side
    55,196,628.10x = 1,560,358,753,796,715
  5. Step 5: Solve for x
    x = 1,560,358,753,796,715/55,196,628.10
  6. Step 6: Final answer
    x = 28,269,095.55

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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.