Home / 20,096,938.20-30,136,076.10-8,731,536.60

Finding the Fourth Proportional to 20,096,938.20, 30,136,076.10 and 8,731,536.60

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Solution

The fourth proportional to 20,096,938.20, 30,136,076.10 and 8,731,536.60 is: 13,093,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,938.20 : 30,136,076.10 = 8,731,536.60 : x
  2. Step 2: Convert to fraction form
    20,096,938.20/30,136,076.10 = 8,731,536.60/x
  3. Step 3: Cross multiply
    20,096,938.20x = 30,136,076.10 × 8,731,536.60
  4. Step 4: Simplify right side
    20,096,938.20x = 263,134,251,447,535.25
  5. Step 5: Solve for x
    x = 263,134,251,447,535.25/20,096,938.20
  6. Step 6: Final answer
    x = 13,093,250.76

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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.