Home / 7,200,613.65-10,800,931.41-2,940,781.89

Finding the Fourth Proportional to 7,200,613.65, 10,800,931.41 and 2,940,781.89

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Solution

The fourth proportional to 7,200,613.65, 10,800,931.41 and 2,940,781.89 is: 4,411,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,613.65 : 10,800,931.41 = 2,940,781.89 : x
  2. Step 2: Convert to fraction form
    7,200,613.65/10,800,931.41 = 2,940,781.89/x
  3. Step 3: Cross multiply
    7,200,613.65x = 10,800,931.41 × 2,940,781.89
  4. Step 4: Simplify right side
    7,200,613.65x = 31,763,183,485,660.17
  5. Step 5: Solve for x
    x = 31,763,183,485,660.17/7,200,613.65
  6. Step 6: Final answer
    x = 4,411,177.30

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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.