Home / 18,436,579.95-25,442,481.59-10,176,644.31

Finding the Fourth Proportional to 18,436,579.95, 25,442,481.59 and 10,176,644.31

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Solution

The fourth proportional to 18,436,579.95, 25,442,481.59 and 10,176,644.31 is: 14,043,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,579.95 : 25,442,481.59 = 10,176,644.31 : x
  2. Step 2: Convert to fraction form
    18,436,579.95/25,442,481.59 = 10,176,644.31/x
  3. Step 3: Cross multiply
    18,436,579.95x = 25,442,481.59 × 10,176,644.31
  4. Step 4: Simplify right side
    18,436,579.95x = 258,919,085,439,950.69
  5. Step 5: Solve for x
    x = 258,919,085,439,950.69/18,436,579.95
  6. Step 6: Final answer
    x = 14,043,769.84

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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.