Home / 7,198,964.16-9,934,835.76-3,935,996.16

Finding the Fourth Proportional to 7,198,964.16, 9,934,835.76 and 3,935,996.16

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Solution

The fourth proportional to 7,198,964.16, 9,934,835.76 and 3,935,996.16 is: 5,431,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,964.16 : 9,934,835.76 = 3,935,996.16 : x
  2. Step 2: Convert to fraction form
    7,198,964.16/9,934,835.76 = 3,935,996.16/x
  3. Step 3: Cross multiply
    7,198,964.16x = 9,934,835.76 × 3,935,996.16
  4. Step 4: Simplify right side
    7,198,964.16x = 39,103,475,401,590.68
  5. Step 5: Solve for x
    x = 39,103,475,401,590.68/7,198,964.16
  6. Step 6: Final answer
    x = 5,431,819.71

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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.