Home / 38,151,870.76-52,649,086.44-20,747,845.45

Finding the Fourth Proportional to 38,151,870.76, 52,649,086.44 and 20,747,845.45

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Solution

The fourth proportional to 38,151,870.76, 52,649,086.44 and 20,747,845.45 is: 28,631,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151,870.76 : 52,649,086.44 = 20,747,845.45 : x
  2. Step 2: Convert to fraction form
    38,151,870.76/52,649,086.44 = 20,747,845.45/x
  3. Step 3: Cross multiply
    38,151,870.76x = 52,649,086.44 × 20,747,845.45
  4. Step 4: Simplify right side
    38,151,870.76x = 1,092,355,108,409,188
  5. Step 5: Solve for x
    x = 1,092,355,108,409,188/38,151,870.76
  6. Step 6: Final answer
    x = 28,631,757.41

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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.