Home / 21,445,481.46-29,595,064.12-11,655,922.71

Finding the Fourth Proportional to 21,445,481.46, 29,595,064.12 and 11,655,922.71

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Solution

The fourth proportional to 21,445,481.46, 29,595,064.12 and 11,655,922.71 is: 16,085,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,481.46 : 29,595,064.12 = 11,655,922.71 : x
  2. Step 2: Convert to fraction form
    21,445,481.46/29,595,064.12 = 11,655,922.71/x
  3. Step 3: Cross multiply
    21,445,481.46x = 29,595,064.12 × 11,655,922.71
  4. Step 4: Simplify right side
    21,445,481.46x = 344,957,779,894,297.12
  5. Step 5: Solve for x
    x = 344,957,779,894,297.12/21,445,481.46
  6. Step 6: Final answer
    x = 16,085,336.23

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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.