Home / 20,747,899.36-31,123,343.76-7,968,404.08

Finding the Fourth Proportional to 20,747,899.36, 31,123,343.76 and 7,968,404.08

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Solution

The fourth proportional to 20,747,899.36, 31,123,343.76 and 7,968,404.08 is: 11,953,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,899.36 : 31,123,343.76 = 7,968,404.08 : x
  2. Step 2: Convert to fraction form
    20,747,899.36/31,123,343.76 = 7,968,404.08/x
  3. Step 3: Cross multiply
    20,747,899.36x = 31,123,343.76 × 7,968,404.08
  4. Step 4: Simplify right side
    20,747,899.36x = 248,003,379,400,426.56
  5. Step 5: Solve for x
    x = 248,003,379,400,426.56/20,747,899.36
  6. Step 6: Final answer
    x = 11,953,180.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.