Home / 21,182,246.45-29,229,161.14-11,887,684.71

Finding the Fourth Proportional to 21,182,246.45, 29,229,161.14 and 11,887,684.71

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Solution

The fourth proportional to 21,182,246.45, 29,229,161.14 and 11,887,684.71 is: 16,403,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,246.45 : 29,229,161.14 = 11,887,684.71 : x
  2. Step 2: Convert to fraction form
    21,182,246.45/29,229,161.14 = 11,887,684.71/x
  3. Step 3: Cross multiply
    21,182,246.45x = 29,229,161.14 × 11,887,684.71
  4. Step 4: Simplify right side
    21,182,246.45x = 347,467,051,970,104.19
  5. Step 5: Solve for x
    x = 347,467,051,970,104.19/21,182,246.45
  6. Step 6: Final answer
    x = 16,403,692.25

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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.