Home / 18,156,356.48-25,057,273.03-10,422,893.63

Finding the Fourth Proportional to 18,156,356.48, 25,057,273.03 and 10,422,893.63

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Solution

The fourth proportional to 18,156,356.48, 25,057,273.03 and 10,422,893.63 is: 14,384,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,356.48 : 25,057,273.03 = 10,422,893.63 : x
  2. Step 2: Convert to fraction form
    18,156,356.48/25,057,273.03 = 10,422,893.63/x
  3. Step 3: Cross multiply
    18,156,356.48x = 25,057,273.03 × 10,422,893.63
  4. Step 4: Simplify right side
    18,156,356.48x = 261,169,291,298,214.19
  5. Step 5: Solve for x
    x = 261,169,291,298,214.19/18,156,356.48
  6. Step 6: Final answer
    x = 14,384,454.92

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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.