Home / 20,922,616.02-31,384,246.99-7,969,489.01

Finding the Fourth Proportional to 20,922,616.02, 31,384,246.99 and 7,969,489.01

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Solution

The fourth proportional to 20,922,616.02, 31,384,246.99 and 7,969,489.01 is: 11,954,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,616.02 : 31,384,246.99 = 7,969,489.01 : x
  2. Step 2: Convert to fraction form
    20,922,616.02/31,384,246.99 = 7,969,489.01/x
  3. Step 3: Cross multiply
    20,922,616.02x = 31,384,246.99 × 7,969,489.01
  4. Step 4: Simplify right side
    20,922,616.02x = 250,116,411,473,930.56
  5. Step 5: Solve for x
    x = 250,116,411,473,930.56/20,922,616.02
  6. Step 6: Final answer
    x = 11,954,356.53

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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.