Home / 7,812,942.48-10,782,538.92-4,375,121.04

Finding the Fourth Proportional to 7,812,942.48, 10,782,538.92 and 4,375,121.04

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Solution

The fourth proportional to 7,812,942.48, 10,782,538.92 and 4,375,121.04 is: 6,038,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,942.48 : 10,782,538.92 = 4,375,121.04 : x
  2. Step 2: Convert to fraction form
    7,812,942.48/10,782,538.92 = 4,375,121.04/x
  3. Step 3: Cross multiply
    7,812,942.48x = 10,782,538.92 × 4,375,121.04
  4. Step 4: Simplify right side
    7,812,942.48x = 47,174,912,893,510.88
  5. Step 5: Solve for x
    x = 47,174,912,893,510.88/7,812,942.48
  6. Step 6: Final answer
    x = 6,038,046.87

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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.