Home / 18,379,722.78-25,363,809.06-10,119,616.38

Finding the Fourth Proportional to 18,379,722.78, 25,363,809.06 and 10,119,616.38

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Solution

The fourth proportional to 18,379,722.78, 25,363,809.06 and 10,119,616.38 is: 13,964,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,722.78 : 25,363,809.06 = 10,119,616.38 : x
  2. Step 2: Convert to fraction form
    18,379,722.78/25,363,809.06 = 10,119,616.38/x
  3. Step 3: Cross multiply
    18,379,722.78x = 25,363,809.06 × 10,119,616.38
  4. Step 4: Simplify right side
    18,379,722.78x = 256,672,017,622,768.41
  5. Step 5: Solve for x
    x = 256,672,017,622,768.41/18,379,722.78
  6. Step 6: Final answer
    x = 13,964,955.88

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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.