Home / 21,663,181.13-29,895,912.94-11,873,650.40

Finding the Fourth Proportional to 21,663,181.13, 29,895,912.94 and 11,873,650.40

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Solution

The fourth proportional to 21,663,181.13, 29,895,912.94 and 11,873,650.40 is: 16,386,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663,181.13 : 29,895,912.94 = 11,873,650.40 : x
  2. Step 2: Convert to fraction form
    21,663,181.13/29,895,912.94 = 11,873,650.40/x
  3. Step 3: Cross multiply
    21,663,181.13x = 29,895,912.94 × 11,873,650.40
  4. Step 4: Simplify right side
    21,663,181.13x = 354,973,618,801,514.19
  5. Step 5: Solve for x
    x = 354,973,618,801,514.19/21,663,181.13
  6. Step 6: Final answer
    x = 16,386,033.82

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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.