Home / 39,957,884.16-55,141,879.59-21,623,169.66

Finding the Fourth Proportional to 39,957,884.16, 55,141,879.59 and 21,623,169.66

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Solution

The fourth proportional to 39,957,884.16, 55,141,879.59 and 21,623,169.66 is: 29,839,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,884.16 : 55,141,879.59 = 21,623,169.66 : x
  2. Step 2: Convert to fraction form
    39,957,884.16/55,141,879.59 = 21,623,169.66/x
  3. Step 3: Cross multiply
    39,957,884.16x = 55,141,879.59 × 21,623,169.66
  4. Step 4: Simplify right side
    39,957,884.16x = 1,192,342,217,745,861.25
  5. Step 5: Solve for x
    x = 1,192,342,217,745,861.25/39,957,884.16
  6. Step 6: Final answer
    x = 29,839,973.83

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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.