Home / 15,175,086.48-20,942,164.44-8,649,700.56

Finding the Fourth Proportional to 15,175,086.48, 20,942,164.44 and 8,649,700.56

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Solution

The fourth proportional to 15,175,086.48, 20,942,164.44 and 8,649,700.56 is: 11,936,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,086.48 : 20,942,164.44 = 8,649,700.56 : x
  2. Step 2: Convert to fraction form
    15,175,086.48/20,942,164.44 = 8,649,700.56/x
  3. Step 3: Cross multiply
    15,175,086.48x = 20,942,164.44 × 8,649,700.56
  4. Step 4: Simplify right side
    15,175,086.48x = 181,143,451,484,280.09
  5. Step 5: Solve for x
    x = 181,143,451,484,280.09/15,175,086.48
  6. Step 6: Final answer
    x = 11,936,897.47

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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.