Home / 20,669,529.32-28,523,724.10-11,376,900.71

Finding the Fourth Proportional to 20,669,529.32, 28,523,724.10 and 11,376,900.71

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Solution

The fourth proportional to 20,669,529.32, 28,523,724.10 and 11,376,900.71 is: 15,699,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,529.32 : 28,523,724.10 = 11,376,900.71 : x
  2. Step 2: Convert to fraction form
    20,669,529.32/28,523,724.10 = 11,376,900.71/x
  3. Step 3: Cross multiply
    20,669,529.32x = 28,523,724.10 × 11,376,900.71
  4. Step 4: Simplify right side
    20,669,529.32x = 324,511,576,936,953.62
  5. Step 5: Solve for x
    x = 324,511,576,936,953.62/20,669,529.32
  6. Step 6: Final answer
    x = 15,699,998.39

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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.