Home / 21,509,535.83-29,682,785.72-11,720,060.46

Finding the Fourth Proportional to 21,509,535.83, 29,682,785.72 and 11,720,060.46

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Solution

The fourth proportional to 21,509,535.83, 29,682,785.72 and 11,720,060.46 is: 16,173,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,535.83 : 29,682,785.72 = 11,720,060.46 : x
  2. Step 2: Convert to fraction form
    21,509,535.83/29,682,785.72 = 11,720,060.46/x
  3. Step 3: Cross multiply
    21,509,535.83x = 29,682,785.72 × 11,720,060.46
  4. Step 4: Simplify right side
    21,509,535.83x = 347,884,043,259,624.62
  5. Step 5: Solve for x
    x = 347,884,043,259,624.62/21,509,535.83
  6. Step 6: Final answer
    x = 16,173,479.80

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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.