Home / 30,940,269.54-42,695,072.37-17,888,369.58

Finding the Fourth Proportional to 30,940,269.54, 42,695,072.37 and 17,888,369.58

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Solution

The fourth proportional to 30,940,269.54, 42,695,072.37 and 17,888,369.58 is: 24,684,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,269.54 : 42,695,072.37 = 17,888,369.58 : x
  2. Step 2: Convert to fraction form
    30,940,269.54/42,695,072.37 = 17,888,369.58/x
  3. Step 3: Cross multiply
    30,940,269.54x = 42,695,072.37 × 17,888,369.58
  4. Step 4: Simplify right side
    30,940,269.54x = 763,745,233,799,406.38
  5. Step 5: Solve for x
    x = 763,745,233,799,406.38/30,940,269.54
  6. Step 6: Final answer
    x = 24,684,504.86

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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.