Home / 18,256,905.78-25,195,317.24-10,108,143.78

Finding the Fourth Proportional to 18,256,905.78, 25,195,317.24 and 10,108,143.78

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Solution

The fourth proportional to 18,256,905.78, 25,195,317.24 and 10,108,143.78 is: 13,949,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256,905.78 : 25,195,317.24 = 10,108,143.78 : x
  2. Step 2: Convert to fraction form
    18,256,905.78/25,195,317.24 = 10,108,143.78/x
  3. Step 3: Cross multiply
    18,256,905.78x = 25,195,317.24 × 10,108,143.78
  4. Step 4: Simplify right side
    18,256,905.78x = 254,677,889,244,632.72
  5. Step 5: Solve for x
    x = 254,677,889,244,632.72/18,256,905.78
  6. Step 6: Final answer
    x = 13,949,674.29

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1.5x scale

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.