Home / 21,319,083.23-29,420,422.91-11,529,527.22

Finding the Fourth Proportional to 21,319,083.23, 29,420,422.91 and 11,529,527.22

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Solution

The fourth proportional to 21,319,083.23, 29,420,422.91 and 11,529,527.22 is: 15,910,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,083.23 : 29,420,422.91 = 11,529,527.22 : x
  2. Step 2: Convert to fraction form
    21,319,083.23/29,420,422.91 = 11,529,527.22/x
  3. Step 3: Cross multiply
    21,319,083.23x = 29,420,422.91 × 11,529,527.22
  4. Step 4: Simplify right side
    21,319,083.23x = 339,203,566,764,756.62
  5. Step 5: Solve for x
    x = 339,203,566,764,756.62/21,319,083.23
  6. Step 6: Final answer
    x = 15,910,795.18

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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.