Home / 21,481,858.86-29,647,489.55-12,064,197.58

Finding the Fourth Proportional to 21,481,858.86, 29,647,489.55 and 12,064,197.58

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Solution

The fourth proportional to 21,481,858.86, 29,647,489.55 and 12,064,197.58 is: 16,650,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,858.86 : 29,647,489.55 = 12,064,197.58 : x
  2. Step 2: Convert to fraction form
    21,481,858.86/29,647,489.55 = 12,064,197.58/x
  3. Step 3: Cross multiply
    21,481,858.86x = 29,647,489.55 × 12,064,197.58
  4. Step 4: Simplify right side
    21,481,858.86x = 357,673,171,547,745.62
  5. Step 5: Solve for x
    x = 357,673,171,547,745.62/21,481,858.86
  6. Step 6: Final answer
    x = 16,650,010.31

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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.