Home / 28,377,279.43-39,160,644.94-15,324,537.28

Finding the Fourth Proportional to 28,377,279.43, 39,160,644.94 and 15,324,537.28

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Solution

The fourth proportional to 28,377,279.43, 39,160,644.94 and 15,324,537.28 is: 21,147,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,279.43 : 39,160,644.94 = 15,324,537.28 : x
  2. Step 2: Convert to fraction form
    28,377,279.43/39,160,644.94 = 15,324,537.28/x
  3. Step 3: Cross multiply
    28,377,279.43x = 39,160,644.94 × 15,324,537.28
  4. Step 4: Simplify right side
    28,377,279.43x = 600,118,763,320,091
  5. Step 5: Solve for x
    x = 600,118,763,320,091/28,377,279.43
  6. Step 6: Final answer
    x = 21,147,861.08

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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.