Home / 39,957,884.91-55,141,880.63-21,623,170.41

Finding the Fourth Proportional to 39,957,884.91, 55,141,880.63 and 21,623,170.41

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Solution

The fourth proportional to 39,957,884.91, 55,141,880.63 and 21,623,170.41 is: 29,839,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,884.91 : 55,141,880.63 = 21,623,170.41 : x
  2. Step 2: Convert to fraction form
    39,957,884.91/55,141,880.63 = 21,623,170.41/x
  3. Step 3: Cross multiply
    39,957,884.91x = 55,141,880.63 × 21,623,170.41
  4. Step 4: Simplify right side
    39,957,884.91x = 1,192,342,281,482,252.25
  5. Step 5: Solve for x
    x = 1,192,342,281,482,252.25/39,957,884.91
  6. Step 6: Final answer
    x = 29,839,974.87

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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.