Home / 21,549,205.88-29,738,535.76-11,760,279.46

Finding the Fourth Proportional to 21,549,205.88, 29,738,535.76 and 11,760,279.46

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Solution

The fourth proportional to 21,549,205.88, 29,738,535.76 and 11,760,279.46 is: 16,229,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,205.88 : 29,738,535.76 = 11,760,279.46 : x
  2. Step 2: Convert to fraction form
    21,549,205.88/29,738,535.76 = 11,760,279.46/x
  3. Step 3: Cross multiply
    21,549,205.88x = 29,738,535.76 × 11,760,279.46
  4. Step 4: Simplify right side
    21,549,205.88x = 349,733,491,268,803.56
  5. Step 5: Solve for x
    x = 349,733,491,268,803.56/21,549,205.88
  6. Step 6: Final answer
    x = 16,229,530.37

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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.