Home / 20,709,124.38-31,072,836.84-10,858,835.46

Finding the Fourth Proportional to 20,709,124.38, 31,072,836.84 and 10,858,835.46

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Solution

The fourth proportional to 20,709,124.38, 31,072,836.84 and 10,858,835.46 is: 16,293,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,709,124.38 : 31,072,836.84 = 10,858,835.46 : x
  2. Step 2: Convert to fraction form
    20,709,124.38/31,072,836.84 = 10,858,835.46/x
  3. Step 3: Cross multiply
    20,709,124.38x = 31,072,836.84 × 10,858,835.46
  4. Step 4: Simplify right side
    20,709,124.38x = 337,414,822,520,986.38
  5. Step 5: Solve for x
    x = 337,414,822,520,986.38/20,709,124.38
  6. Step 6: Final answer
    x = 16,293,051.14

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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.