Home / 28,003,105.44-38,644,056.72-15,613,051.68

Finding the Fourth Proportional to 28,003,105.44, 38,644,056.72 and 15,613,051.68

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Solution

The fourth proportional to 28,003,105.44, 38,644,056.72 and 15,613,051.68 is: 21,545,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,105.44 : 38,644,056.72 = 15,613,051.68 : x
  2. Step 2: Convert to fraction form
    28,003,105.44/38,644,056.72 = 15,613,051.68/x
  3. Step 3: Cross multiply
    28,003,105.44x = 38,644,056.72 × 15,613,051.68
  4. Step 4: Simplify right side
    28,003,105.44x = 603,351,654,694,211.25
  5. Step 5: Solve for x
    x = 603,351,654,694,211.25/28,003,105.44
  6. Step 6: Final answer
    x = 21,545,883.76

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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.