Home / 31,029,438.78-42,820,914.33-17,091,288.65

Finding the Fourth Proportional to 31,029,438.78, 42,820,914.33 and 17,091,288.65

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Solution

The fourth proportional to 31,029,438.78, 42,820,914.33 and 17,091,288.65 is: 23,586,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029,438.78 : 42,820,914.33 = 17,091,288.65 : x
  2. Step 2: Convert to fraction form
    31,029,438.78/42,820,914.33 = 17,091,288.65/x
  3. Step 3: Cross multiply
    31,029,438.78x = 42,820,914.33 × 17,091,288.65
  4. Step 4: Simplify right side
    31,029,438.78x = 731,864,606,985,494.88
  5. Step 5: Solve for x
    x = 731,864,606,985,494.88/31,029,438.78
  6. Step 6: Final answer
    x = 23,586,137.42

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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.