Home / 21,319,024.92-29,420,342.42-11,529,468.90

Finding the Fourth Proportional to 21,319,024.92, 29,420,342.42 and 11,529,468.90

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Solution

The fourth proportional to 21,319,024.92, 29,420,342.42 and 11,529,468.90 is: 15,910,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,024.92 : 29,420,342.42 = 11,529,468.90 : x
  2. Step 2: Convert to fraction form
    21,319,024.92/29,420,342.42 = 11,529,468.90/x
  3. Step 3: Cross multiply
    21,319,024.92x = 29,420,342.42 × 11,529,468.90
  4. Step 4: Simplify right side
    21,319,024.92x = 339,200,922,958,740.75
  5. Step 5: Solve for x
    x = 339,200,922,958,740.75/21,319,024.92
  6. Step 6: Final answer
    x = 15,910,714.69

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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.