Home / 18,156,356.10-25,057,272.51-10,422,893.25

Finding the Fourth Proportional to 18,156,356.10, 25,057,272.51 and 10,422,893.25

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Solution

The fourth proportional to 18,156,356.10, 25,057,272.51 and 10,422,893.25 is: 14,384,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,356.10 : 25,057,272.51 = 10,422,893.25 : x
  2. Step 2: Convert to fraction form
    18,156,356.10/25,057,272.51 = 10,422,893.25/x
  3. Step 3: Cross multiply
    18,156,356.10x = 25,057,272.51 × 10,422,893.25
  4. Step 4: Simplify right side
    18,156,356.10x = 261,169,276,507,889.56
  5. Step 5: Solve for x
    x = 261,169,276,507,889.56/18,156,356.10
  6. Step 6: Final answer
    x = 14,384,454.41

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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.