Home / 15,655,494.24-21,601,131.84-15,139,405.44

Finding the Fourth Proportional to 15,655,494.24, 21,601,131.84 and 15,139,405.44

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Solution

The fourth proportional to 15,655,494.24, 21,601,131.84 and 15,139,405.44 is: 20,889,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655,494.24 : 21,601,131.84 = 15,139,405.44 : x
  2. Step 2: Convert to fraction form
    15,655,494.24/21,601,131.84 = 15,139,405.44/x
  3. Step 3: Cross multiply
    15,655,494.24x = 21,601,131.84 × 15,139,405.44
  4. Step 4: Simplify right side
    15,655,494.24x = 327,028,292,888,653.19
  5. Step 5: Solve for x
    x = 327,028,292,888,653.19/15,655,494.24
  6. Step 6: Final answer
    x = 20,889,043.03

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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.