Home / 21,481,860.06-29,647,491.20-12,064,198.76

Finding the Fourth Proportional to 21,481,860.06, 29,647,491.20 and 12,064,198.76

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Solution

The fourth proportional to 21,481,860.06, 29,647,491.20 and 12,064,198.76 is: 16,650,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,860.06 : 29,647,491.20 = 12,064,198.76 : x
  2. Step 2: Convert to fraction form
    21,481,860.06/29,647,491.20 = 12,064,198.76/x
  3. Step 3: Cross multiply
    21,481,860.06x = 29,647,491.20 × 12,064,198.76
  4. Step 4: Simplify right side
    21,481,860.06x = 357,673,226,572,150.88
  5. Step 5: Solve for x
    x = 357,673,226,572,150.88/21,481,860.06
  6. Step 6: Final answer
    x = 16,650,011.94

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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.