Home / 6,861,953.78-9,469,465.88-3,921,721.82

Finding the Fourth Proportional to 6,861,953.78, 9,469,465.88 and 3,921,721.82

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Solution

The fourth proportional to 6,861,953.78, 9,469,465.88 and 3,921,721.82 is: 5,411,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861,953.78 : 9,469,465.88 = 3,921,721.82 : x
  2. Step 2: Convert to fraction form
    6,861,953.78/9,469,465.88 = 3,921,721.82/x
  3. Step 3: Cross multiply
    6,861,953.78x = 9,469,465.88 × 3,921,721.82
  4. Step 4: Simplify right side
    6,861,953.78x = 37,136,610,965,341.50
  5. Step 5: Solve for x
    x = 37,136,610,965,341.50/6,861,953.78
  6. Step 6: Final answer
    x = 5,411,958.77

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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.