Home / 18,415,841.86-25,418,763.19-10,878,569.31

Finding the Fourth Proportional to 18,415,841.86, 25,418,763.19 and 10,878,569.31

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Solution

The fourth proportional to 18,415,841.86, 25,418,763.19 and 10,878,569.31 is: 15,015,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415,841.86 : 25,418,763.19 = 10,878,569.31 : x
  2. Step 2: Convert to fraction form
    18,415,841.86/25,418,763.19 = 10,878,569.31/x
  3. Step 3: Cross multiply
    18,415,841.86x = 25,418,763.19 × 10,878,569.31
  4. Step 4: Simplify right side
    18,415,841.86x = 276,519,777,136,891.72
  5. Step 5: Solve for x
    x = 276,519,777,136,891.72/18,415,841.86
  6. Step 6: Final answer
    x = 15,015,321.01

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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.