Home / 42,728,593.67-58,965,379.49-23,149,968.65

Finding the Fourth Proportional to 42,728,593.67, 58,965,379.49 and 23,149,968.65

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Solution

The fourth proportional to 42,728,593.67, 58,965,379.49 and 23,149,968.65 is: 31,946,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,728,593.67 : 58,965,379.49 = 23,149,968.65 : x
  2. Step 2: Convert to fraction form
    42,728,593.67/58,965,379.49 = 23,149,968.65/x
  3. Step 3: Cross multiply
    42,728,593.67x = 58,965,379.49 × 23,149,968.65
  4. Step 4: Simplify right side
    42,728,593.67x = 1,365,046,686,513,103
  5. Step 5: Solve for x
    x = 1,365,046,686,513,103/42,728,593.67
  6. Step 6: Final answer
    x = 31,946,913.51

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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.