Home / 21,504,952.85-29,676,782.98-11,715,477.48

Finding the Fourth Proportional to 21,504,952.85, 29,676,782.98 and 11,715,477.48

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Solution

The fourth proportional to 21,504,952.85, 29,676,782.98 and 11,715,477.48 is: 16,167,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,952.85 : 29,676,782.98 = 11,715,477.48 : x
  2. Step 2: Convert to fraction form
    21,504,952.85/29,676,782.98 = 11,715,477.48/x
  3. Step 3: Cross multiply
    21,504,952.85x = 29,676,782.98 × 11,715,477.48
  4. Step 4: Simplify right side
    21,504,952.85x = 347,677,682,681,037.31
  5. Step 5: Solve for x
    x = 347,677,682,681,037.31/21,504,952.85
  6. Step 6: Final answer
    x = 16,167,330.62

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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.