Home / 7,099,800-9,798,413.28-4,200,124.32

Finding the Fourth Proportional to 7,099,800, 9,798,413.28 and 4,200,124.32

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Solution

The fourth proportional to 7,099,800, 9,798,413.28 and 4,200,124.32 is: 5,796,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,800 : 9,798,413.28 = 4,200,124.32 : x
  2. Step 2: Convert to fraction form
    7,099,800/9,798,413.28 = 4,200,124.32/x
  3. Step 3: Cross multiply
    7,099,800x = 9,798,413.28 × 4,200,124.32
  4. Step 4: Simplify right side
    7,099,800x = 41,154,553,914,738.97
  5. Step 5: Solve for x
    x = 41,154,553,914,738.97/7,099,800
  6. Step 6: Final answer
    x = 5,796,579.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.