Home / 21,493,802-29,661,448.72-11,704,243.26

Finding the Fourth Proportional to 21,493,802, 29,661,448.72 and 11,704,243.26

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Solution

The fourth proportional to 21,493,802, 29,661,448.72 and 11,704,243.26 is: 16,151,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,802 : 29,661,448.72 = 11,704,243.26 : x
  2. Step 2: Convert to fraction form
    21,493,802/29,661,448.72 = 11,704,243.26/x
  3. Step 3: Cross multiply
    21,493,802x = 29,661,448.72 × 11,704,243.26
  4. Step 4: Simplify right side
    21,493,802x = 347,164,811,262,895.62
  5. Step 5: Solve for x
    x = 347,164,811,262,895.62/21,493,802
  6. Step 6: Final answer
    x = 16,151,856.77

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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.