Home / 21,319,026.15-29,420,344.14-11,529,470.16

Finding the Fourth Proportional to 21,319,026.15, 29,420,344.14 and 11,529,470.16

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Solution

The fourth proportional to 21,319,026.15, 29,420,344.14 and 11,529,470.16 is: 15,910,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,026.15 : 29,420,344.14 = 11,529,470.16 : x
  2. Step 2: Convert to fraction form
    21,319,026.15/29,420,344.14 = 11,529,470.16/x
  3. Step 3: Cross multiply
    21,319,026.15x = 29,420,344.14 × 11,529,470.16
  4. Step 4: Simplify right side
    21,319,026.15x = 339,200,979,859,060.88
  5. Step 5: Solve for x
    x = 339,200,979,859,060.88/21,319,026.15
  6. Step 6: Final answer
    x = 15,910,716.44

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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.