Home / 21,595,358.96-29,801,949.56-12,894,291.92

Finding the Fourth Proportional to 21,595,358.96, 29,801,949.56 and 12,894,291.92

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Solution

The fourth proportional to 21,595,358.96, 29,801,949.56 and 12,894,291.92 is: 17,794,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,358.96 : 29,801,949.56 = 12,894,291.92 : x
  2. Step 2: Convert to fraction form
    21,595,358.96/29,801,949.56 = 12,894,291.92/x
  3. Step 3: Cross multiply
    21,595,358.96x = 29,801,949.56 × 12,894,291.92
  4. Step 4: Simplify right side
    21,595,358.96x = 384,275,037,411,755.56
  5. Step 5: Solve for x
    x = 384,275,037,411,755.56/21,595,358.96
  6. Step 6: Final answer
    x = 17,794,334.33

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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.