Home / 21,493,859.94-29,661,528.69-11,704,301.28

Finding the Fourth Proportional to 21,493,859.94, 29,661,528.69 and 11,704,301.28

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Solution

The fourth proportional to 21,493,859.94, 29,661,528.69 and 11,704,301.28 is: 16,151,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,859.94 : 29,661,528.69 = 11,704,301.28 : x
  2. Step 2: Convert to fraction form
    21,493,859.94/29,661,528.69 = 11,704,301.28/x
  3. Step 3: Cross multiply
    21,493,859.94x = 29,661,528.69 × 11,704,301.28
  4. Step 4: Simplify right side
    21,493,859.94x = 347,167,468,213,123.75
  5. Step 5: Solve for x
    x = 347,167,468,213,123.75/21,493,859.94
  6. Step 6: Final answer
    x = 16,151,936.84

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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.