Home / 20,512,220.13-30,754,662.62-11,294,533.17

Finding the Fourth Proportional to 20,512,220.13, 30,754,662.62 and 11,294,533.17

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Solution

The fourth proportional to 20,512,220.13, 30,754,662.62 and 11,294,533.17 is: 16,934,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,220.13 : 30,754,662.62 = 11,294,533.17 : x
  2. Step 2: Convert to fraction form
    20,512,220.13/30,754,662.62 = 11,294,533.17/x
  3. Step 3: Cross multiply
    20,512,220.13x = 30,754,662.62 × 11,294,533.17
  4. Step 4: Simplify right side
    20,512,220.13x = 347,359,557,037,276.44
  5. Step 5: Solve for x
    x = 347,359,557,037,276.44/20,512,220.13
  6. Step 6: Final answer
    x = 16,934,274.05

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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.