Home / 20,777,500.53-31,166,251.05-5,631,432.03

Finding the Fourth Proportional to 20,777,500.53, 31,166,251.05 and 5,631,432.03

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Solution

The fourth proportional to 20,777,500.53, 31,166,251.05 and 5,631,432.03 is: 8,447,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,500.53 : 31,166,251.05 = 5,631,432.03 : x
  2. Step 2: Convert to fraction form
    20,777,500.53/31,166,251.05 = 5,631,432.03/x
  3. Step 3: Cross multiply
    20,777,500.53x = 31,166,251.05 × 5,631,432.03
  4. Step 4: Simplify right side
    20,777,500.53x = 175,510,624,417,991.16
  5. Step 5: Solve for x
    x = 175,510,624,417,991.16/20,777,500.53
  6. Step 6: Final answer
    x = 8,447,148.11

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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.