Home / 20,469,714.51-28,248,342.58-11,177,349.10

Finding the Fourth Proportional to 20,469,714.51, 28,248,342.58 and 11,177,349.10

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Solution

The fourth proportional to 20,469,714.51, 28,248,342.58 and 11,177,349.10 is: 15,424,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,714.51 : 28,248,342.58 = 11,177,349.10 : x
  2. Step 2: Convert to fraction form
    20,469,714.51/28,248,342.58 = 11,177,349.10/x
  3. Step 3: Cross multiply
    20,469,714.51x = 28,248,342.58 × 11,177,349.10
  4. Step 4: Simplify right side
    20,469,714.51x = 315,741,586,399,756.38
  5. Step 5: Solve for x
    x = 315,741,586,399,756.38/20,469,714.51
  6. Step 6: Final answer
    x = 15,424,816.32

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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.