Home / 10,189,076.25-15,279,131.03-5,395,646.91

Finding the Fourth Proportional to 10,189,076.25, 15,279,131.03 and 5,395,646.91

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Solution

The fourth proportional to 10,189,076.25, 15,279,131.03 and 5,395,646.91 is: 8,091,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189,076.25 : 15,279,131.03 = 5,395,646.91 : x
  2. Step 2: Convert to fraction form
    10,189,076.25/15,279,131.03 = 5,395,646.91/x
  3. Step 3: Cross multiply
    10,189,076.25x = 15,279,131.03 × 5,395,646.91
  4. Step 4: Simplify right side
    10,189,076.25x = 82,440,796,102,526.39
  5. Step 5: Solve for x
    x = 82,440,796,102,526.39/10,189,076.25
  6. Step 6: Final answer
    x = 8,091,096.20

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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.