Home / 21,481,860.18-29,647,491.37-12,064,198.89

Finding the Fourth Proportional to 21,481,860.18, 29,647,491.37 and 12,064,198.89

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Solution

The fourth proportional to 21,481,860.18, 29,647,491.37 and 12,064,198.89 is: 16,650,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,860.18 : 29,647,491.37 = 12,064,198.89 : x
  2. Step 2: Convert to fraction form
    21,481,860.18/29,647,491.37 = 12,064,198.89/x
  3. Step 3: Cross multiply
    21,481,860.18x = 29,647,491.37 × 12,064,198.89
  4. Step 4: Simplify right side
    21,481,860.18x = 357,673,232,558,256.19
  5. Step 5: Solve for x
    x = 357,673,232,558,256.19/21,481,860.18
  6. Step 6: Final answer
    x = 16,650,012.13

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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.