Home / 20,200,979.16-30,305,724.39-6,553,059.84

Finding the Fourth Proportional to 20,200,979.16, 30,305,724.39 and 6,553,059.84

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Solution

The fourth proportional to 20,200,979.16, 30,305,724.39 and 6,553,059.84 is: 9,830,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,979.16 : 30,305,724.39 = 6,553,059.84 : x
  2. Step 2: Convert to fraction form
    20,200,979.16/30,305,724.39 = 6,553,059.84/x
  3. Step 3: Cross multiply
    20,200,979.16x = 30,305,724.39 × 6,553,059.84
  4. Step 4: Simplify right side
    20,200,979.16x = 198,595,225,422,217.50
  5. Step 5: Solve for x
    x = 198,595,225,422,217.50/20,200,979.16
  6. Step 6: Final answer
    x = 9,830,970.26

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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.