Home / 21,514,050.38-29,689,390.13-11,856,258.38

Finding the Fourth Proportional to 21,514,050.38, 29,689,390.13 and 11,856,258.38

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Solution

The fourth proportional to 21,514,050.38, 29,689,390.13 and 11,856,258.38 is: 16,361,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,050.38 : 29,689,390.13 = 11,856,258.38 : x
  2. Step 2: Convert to fraction form
    21,514,050.38/29,689,390.13 = 11,856,258.38/x
  3. Step 3: Cross multiply
    21,514,050.38x = 29,689,390.13 × 11,856,258.38
  4. Step 4: Simplify right side
    21,514,050.38x = 352,005,080,318,173.56
  5. Step 5: Solve for x
    x = 352,005,080,318,173.56/21,514,050.38
  6. Step 6: Final answer
    x = 16,361,636.89

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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.