Home / 21,514,037.50-29,689,372.47-11,856,245.50

Finding the Fourth Proportional to 21,514,037.50, 29,689,372.47 and 11,856,245.50

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Solution

The fourth proportional to 21,514,037.50, 29,689,372.47 and 11,856,245.50 is: 16,361,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,037.50 : 29,689,372.47 = 11,856,245.50 : x
  2. Step 2: Convert to fraction form
    21,514,037.50/29,689,372.47 = 11,856,245.50/x
  3. Step 3: Cross multiply
    21,514,037.50x = 29,689,372.47 × 11,856,245.50
  4. Step 4: Simplify right side
    21,514,037.50x = 352,004,488,745,261.38
  5. Step 5: Solve for x
    x = 352,004,488,745,261.38/21,514,037.50
  6. Step 6: Final answer
    x = 16,361,619.19

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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.