Home / 18,372,917.78-25,354,425.34-10,112,803.46

Finding the Fourth Proportional to 18,372,917.78, 25,354,425.34 and 10,112,803.46

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Solution

The fourth proportional to 18,372,917.78, 25,354,425.34 and 10,112,803.46 is: 13,955,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,917.78 : 25,354,425.34 = 10,112,803.46 : x
  2. Step 2: Convert to fraction form
    18,372,917.78/25,354,425.34 = 10,112,803.46/x
  3. Step 3: Cross multiply
    18,372,917.78x = 25,354,425.34 × 10,112,803.46
  4. Step 4: Simplify right side
    18,372,917.78x = 256,404,320,371,345.78
  5. Step 5: Solve for x
    x = 256,404,320,371,345.78/18,372,917.78
  6. Step 6: Final answer
    x = 13,955,558.03

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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.