Home / 20,646,732.36-30,970,147.66-6,269,908.20

Finding the Fourth Proportional to 20,646,732.36, 30,970,147.66 and 6,269,908.20

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Solution

The fourth proportional to 20,646,732.36, 30,970,147.66 and 6,269,908.20 is: 9,404,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,732.36 : 30,970,147.66 = 6,269,908.20 : x
  2. Step 2: Convert to fraction form
    20,646,732.36/30,970,147.66 = 6,269,908.20/x
  3. Step 3: Cross multiply
    20,646,732.36x = 30,970,147.66 × 6,269,908.20
  4. Step 4: Simplify right side
    20,646,732.36x = 194,179,982,768,644.81
  5. Step 5: Solve for x
    x = 194,179,982,768,644.81/20,646,732.36
  6. Step 6: Final answer
    x = 9,404,877.22

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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.