Home / 20,536,701.83-28,339,569.68-11,242,490.73

Finding the Fourth Proportional to 20,536,701.83, 28,339,569.68 and 11,242,490.73

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Solution

The fourth proportional to 20,536,701.83, 28,339,569.68 and 11,242,490.73 is: 15,514,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,701.83 : 28,339,569.68 = 11,242,490.73 : x
  2. Step 2: Convert to fraction form
    20,536,701.83/28,339,569.68 = 11,242,490.73/x
  3. Step 3: Cross multiply
    20,536,701.83x = 28,339,569.68 × 11,242,490.73
  4. Step 4: Simplify right side
    20,536,701.83x = 318,607,349,479,752.31
  5. Step 5: Solve for x
    x = 318,607,349,479,752.31/20,536,701.83
  6. Step 6: Final answer
    x = 15,514,046.61

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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.