Home / 19,515,822.88-26,932,425.96-10,813,181.28

Finding the Fourth Proportional to 19,515,822.88, 26,932,425.96 and 10,813,181.28

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Solution

The fourth proportional to 19,515,822.88, 26,932,425.96 and 10,813,181.28 is: 14,922,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515,822.88 : 26,932,425.96 = 10,813,181.28 : x
  2. Step 2: Convert to fraction form
    19,515,822.88/26,932,425.96 = 10,813,181.28/x
  3. Step 3: Cross multiply
    19,515,822.88x = 26,932,425.96 × 10,813,181.28
  4. Step 4: Simplify right side
    19,515,822.88x = 291,225,204,215,658
  5. Step 5: Solve for x
    x = 291,225,204,215,658/19,515,822.88
  6. Step 6: Final answer
    x = 14,922,517.28

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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.