Home / 20,709,125.88-31,072,839.09-10,858,836.96

Finding the Fourth Proportional to 20,709,125.88, 31,072,839.09 and 10,858,836.96

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Solution

The fourth proportional to 20,709,125.88, 31,072,839.09 and 10,858,836.96 is: 16,293,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,709,125.88 : 31,072,839.09 = 10,858,836.96 : x
  2. Step 2: Convert to fraction form
    20,709,125.88/31,072,839.09 = 10,858,836.96/x
  3. Step 3: Cross multiply
    20,709,125.88x = 31,072,839.09 × 10,858,836.96
  4. Step 4: Simplify right side
    20,709,125.88x = 337,414,893,562,624.81
  5. Step 5: Solve for x
    x = 337,414,893,562,624.81/20,709,125.88
  6. Step 6: Final answer
    x = 16,293,053.39

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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.