Home / 21,481,859.61-29,647,490.58-12,064,198.33

Finding the Fourth Proportional to 21,481,859.61, 29,647,490.58 and 12,064,198.33

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Solution

The fourth proportional to 21,481,859.61, 29,647,490.58 and 12,064,198.33 is: 16,650,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,859.61 : 29,647,490.58 = 12,064,198.33 : x
  2. Step 2: Convert to fraction form
    21,481,859.61/29,647,490.58 = 12,064,198.33/x
  3. Step 3: Cross multiply
    21,481,859.61x = 29,647,490.58 × 12,064,198.33
  4. Step 4: Simplify right side
    21,481,859.61x = 357,673,206,269,808
  5. Step 5: Solve for x
    x = 357,673,206,269,808/21,481,859.61
  6. Step 6: Final answer
    x = 16,650,011.35

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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.