Home / 20,888,942.70-31,333,414.05-14,511,650.70

Finding the Fourth Proportional to 20,888,942.70, 31,333,414.05 and 14,511,650.70

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Solution

The fourth proportional to 20,888,942.70, 31,333,414.05 and 14,511,650.70 is: 21,767,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,942.70 : 31,333,414.05 = 14,511,650.70 : x
  2. Step 2: Convert to fraction form
    20,888,942.70/31,333,414.05 = 14,511,650.70/x
  3. Step 3: Cross multiply
    20,888,942.70x = 31,333,414.05 × 14,511,650.70
  4. Step 4: Simplify right side
    20,888,942.70x = 454,699,559,932,072.31
  5. Step 5: Solve for x
    x = 454,699,559,932,072.31/20,888,942.70
  6. Step 6: Final answer
    x = 21,767,476.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.