Home / 13,654,764.42-18,843,945.33-8,151,334.75

Finding the Fourth Proportional to 13,654,764.42, 18,843,945.33 and 8,151,334.75

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Solution

The fourth proportional to 13,654,764.42, 18,843,945.33 and 8,151,334.75 is: 11,249,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654,764.42 : 18,843,945.33 = 8,151,334.75 : x
  2. Step 2: Convert to fraction form
    13,654,764.42/18,843,945.33 = 8,151,334.75/x
  3. Step 3: Cross multiply
    13,654,764.42x = 18,843,945.33 × 8,151,334.75
  4. Step 4: Simplify right side
    13,654,764.42x = 153,603,306,395,529.19
  5. Step 5: Solve for x
    x = 153,603,306,395,529.19/13,654,764.42
  6. Step 6: Final answer
    x = 11,249,063.09

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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.