Home / 21,422,786.23-29,563,685.54-11,633,346.55

Finding the Fourth Proportional to 21,422,786.23, 29,563,685.54 and 11,633,346.55

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Solution

The fourth proportional to 21,422,786.23, 29,563,685.54 and 11,633,346.55 is: 16,054,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,786.23 : 29,563,685.54 = 11,633,346.55 : x
  2. Step 2: Convert to fraction form
    21,422,786.23/29,563,685.54 = 11,633,346.55/x
  3. Step 3: Cross multiply
    21,422,786.23x = 29,563,685.54 × 11,633,346.55
  4. Step 4: Simplify right side
    21,422,786.23x = 343,924,599,182,043.88
  5. Step 5: Solve for x
    x = 343,924,599,182,043.88/21,422,786.23
  6. Step 6: Final answer
    x = 16,054,148.86

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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.