Home / 20,563,290.42-28,376,857.89-11,395,736.34

Finding the Fourth Proportional to 20,563,290.42, 28,376,857.89 and 11,395,736.34

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Solution

The fourth proportional to 20,563,290.42, 28,376,857.89 and 11,395,736.34 is: 15,725,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,290.42 : 28,376,857.89 = 11,395,736.34 : x
  2. Step 2: Convert to fraction form
    20,563,290.42/28,376,857.89 = 11,395,736.34/x
  3. Step 3: Cross multiply
    20,563,290.42x = 28,376,857.89 × 11,395,736.34
  4. Step 4: Simplify right side
    20,563,290.42x = 323,375,190,672,088.75
  5. Step 5: Solve for x
    x = 323,375,190,672,088.75/20,563,290.42
  6. Step 6: Final answer
    x = 15,725,848.54

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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.