Home / 15,236,939.56-22,858,796.46-7,145,602.72

Finding the Fourth Proportional to 15,236,939.56, 22,858,796.46 and 7,145,602.72

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Solution

The fourth proportional to 15,236,939.56, 22,858,796.46 and 7,145,602.72 is: 10,719,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236,939.56 : 22,858,796.46 = 7,145,602.72 : x
  2. Step 2: Convert to fraction form
    15,236,939.56/22,858,796.46 = 7,145,602.72/x
  3. Step 3: Cross multiply
    15,236,939.56x = 22,858,796.46 × 7,145,602.72
  4. Step 4: Simplify right side
    15,236,939.56x = 163,339,878,046,208.41
  5. Step 5: Solve for x
    x = 163,339,878,046,208.41/15,236,939.56
  6. Step 6: Final answer
    x = 10,719,992.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.