Home / 20,669,530.32-28,523,725.48-11,376,901.71

Finding the Fourth Proportional to 20,669,530.32, 28,523,725.48 and 11,376,901.71

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Solution

The fourth proportional to 20,669,530.32, 28,523,725.48 and 11,376,901.71 is: 15,699,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,530.32 : 28,523,725.48 = 11,376,901.71 : x
  2. Step 2: Convert to fraction form
    20,669,530.32/28,523,725.48 = 11,376,901.71/x
  3. Step 3: Cross multiply
    20,669,530.32x = 28,523,725.48 × 11,376,901.71
  4. Step 4: Simplify right side
    20,669,530.32x = 324,511,621,188,982.62
  5. Step 5: Solve for x
    x = 324,511,621,188,982.62/20,669,530.32
  6. Step 6: Final answer
    x = 15,699,999.77

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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.