Home / 21,344,889.72-29,455,812.72-11,555,262.48

Finding the Fourth Proportional to 21,344,889.72, 29,455,812.72 and 11,555,262.48

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Solution

The fourth proportional to 21,344,889.72, 29,455,812.72 and 11,555,262.48 is: 15,946,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,889.72 : 29,455,812.72 = 11,555,262.48 : x
  2. Step 2: Convert to fraction form
    21,344,889.72/29,455,812.72 = 11,555,262.48/x
  3. Step 3: Cross multiply
    21,344,889.72x = 29,455,812.72 × 11,555,262.48
  4. Step 4: Simplify right side
    21,344,889.72x = 340,369,647,541,322.75
  5. Step 5: Solve for x
    x = 340,369,647,541,322.75/21,344,889.72
  6. Step 6: Final answer
    x = 15,946,189.09

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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.