Home / 18,536,918.28-25,573,648.74-11,563,537.56

Finding the Fourth Proportional to 18,536,918.28, 25,573,648.74 and 11,563,537.56

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Solution

The fourth proportional to 18,536,918.28, 25,573,648.74 and 11,563,537.56 is: 15,953,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,918.28 : 25,573,648.74 = 11,563,537.56 : x
  2. Step 2: Convert to fraction form
    18,536,918.28/25,573,648.74 = 11,563,537.56/x
  3. Step 3: Cross multiply
    18,536,918.28x = 25,573,648.74 × 11,563,537.56
  4. Step 4: Simplify right side
    18,536,918.28x = 295,721,847,751,236.69
  5. Step 5: Solve for x
    x = 295,721,847,751,236.69/18,536,918.28
  6. Step 6: Final answer
    x = 15,953,128.96

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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.