Home / 21,494,127.72-29,661,113.10-11,704,357.08

Finding the Fourth Proportional to 21,494,127.72, 29,661,113.10 and 11,704,357.08

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Solution

The fourth proportional to 21,494,127.72, 29,661,113.10 and 11,704,357.08 is: 16,151,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494,127.72 : 29,661,113.10 = 11,704,357.08 : x
  2. Step 2: Convert to fraction form
    21,494,127.72/29,661,113.10 = 11,704,357.08/x
  3. Step 3: Cross multiply
    21,494,127.72x = 29,661,113.10 × 11,704,357.08
  4. Step 4: Simplify right side
    21,494,127.72x = 347,164,259,112,665.75
  5. Step 5: Solve for x
    x = 347,164,259,112,665.75/21,494,127.72
  6. Step 6: Final answer
    x = 16,151,586.31

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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.