Home / 20,485,334.20-30,724,014.97-5,911,229.08

Finding the Fourth Proportional to 20,485,334.20, 30,724,014.97 and 5,911,229.08

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Solution

The fourth proportional to 20,485,334.20, 30,724,014.97 and 5,911,229.08 is: 8,865,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,334.20 : 30,724,014.97 = 5,911,229.08 : x
  2. Step 2: Convert to fraction form
    20,485,334.20/30,724,014.97 = 5,911,229.08/x
  3. Step 3: Cross multiply
    20,485,334.20x = 30,724,014.97 × 5,911,229.08
  4. Step 4: Simplify right side
    20,485,334.20x = 181,616,690,561,843.12
  5. Step 5: Solve for x
    x = 181,616,690,561,843.12/20,485,334.20
  6. Step 6: Final answer
    x = 8,865,693.32

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1.5x scale

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.