Home / 20,485,335.20-30,724,016.46-5,911,230.08

Finding the Fourth Proportional to 20,485,335.20, 30,724,016.46 and 5,911,230.08

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Solution

The fourth proportional to 20,485,335.20, 30,724,016.46 and 5,911,230.08 is: 8,865,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,335.20 : 30,724,016.46 = 5,911,230.08 : x
  2. Step 2: Convert to fraction form
    20,485,335.20/30,724,016.46 = 5,911,230.08/x
  3. Step 3: Cross multiply
    20,485,335.20x = 30,724,016.46 × 5,911,230.08
  4. Step 4: Simplify right side
    20,485,335.20x = 181,616,730,276,767.12
  5. Step 5: Solve for x
    x = 181,616,730,276,767.12/20,485,335.20
  6. Step 6: Final answer
    x = 8,865,694.83

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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.