Home / 18,748,882-25,876,218.12-11,874,003.28

Finding the Fourth Proportional to 18,748,882, 25,876,218.12 and 11,874,003.28

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Solution

The fourth proportional to 18,748,882, 25,876,218.12 and 11,874,003.28 is: 16,387,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748,882 : 25,876,218.12 = 11,874,003.28 : x
  2. Step 2: Convert to fraction form
    18,748,882/25,876,218.12 = 11,874,003.28/x
  3. Step 3: Cross multiply
    18,748,882x = 25,876,218.12 × 11,874,003.28
  4. Step 4: Simplify right side
    18,748,882x = 307,254,298,830,875.44
  5. Step 5: Solve for x
    x = 307,254,298,830,875.44/18,748,882
  6. Step 6: Final answer
    x = 16,387,873.09

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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.