Home / 18,409,251.78-25,399,137.60-10,672,750.35

Finding the Fourth Proportional to 18,409,251.78, 25,399,137.60 and 10,672,750.35

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Solution

The fourth proportional to 18,409,251.78, 25,399,137.60 and 10,672,750.35 is: 14,725,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,251.78 : 25,399,137.60 = 10,672,750.35 : x
  2. Step 2: Convert to fraction form
    18,409,251.78/25,399,137.60 = 10,672,750.35/x
  3. Step 3: Cross multiply
    18,409,251.78x = 25,399,137.60 × 10,672,750.35
  4. Step 4: Simplify right side
    18,409,251.78x = 271,078,654,710,098.16
  5. Step 5: Solve for x
    x = 271,078,654,710,098.16/18,409,251.78
  6. Step 6: Final answer
    x = 14,725,131.58

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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.