Home / 20,161,212.40-30,241,818.60-5,015,143.90

Finding the Fourth Proportional to 20,161,212.40, 30,241,818.60 and 5,015,143.90

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Solution

The fourth proportional to 20,161,212.40, 30,241,818.60 and 5,015,143.90 is: 7,522,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,212.40 : 30,241,818.60 = 5,015,143.90 : x
  2. Step 2: Convert to fraction form
    20,161,212.40/30,241,818.60 = 5,015,143.90/x
  3. Step 3: Cross multiply
    20,161,212.40x = 30,241,818.60 × 5,015,143.90
  4. Step 4: Simplify right side
    20,161,212.40x = 151,667,072,076,696.56
  5. Step 5: Solve for x
    x = 151,667,072,076,696.56/20,161,212.40
  6. Step 6: Final answer
    x = 7,522,715.85

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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.