Home / 20,198,331.35-30,301,752.71-6,550,413.55

Finding the Fourth Proportional to 20,198,331.35, 30,301,752.71 and 6,550,413.55

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Solution

The fourth proportional to 20,198,331.35, 30,301,752.71 and 6,550,413.55 is: 9,827,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,331.35 : 30,301,752.71 = 6,550,413.55 : x
  2. Step 2: Convert to fraction form
    20,198,331.35/30,301,752.71 = 6,550,413.55/x
  3. Step 3: Cross multiply
    20,198,331.35x = 30,301,752.71 × 6,550,413.55
  4. Step 4: Simplify right side
    20,198,331.35x = 198,489,011,651,402.22
  5. Step 5: Solve for x
    x = 198,489,011,651,402.22/20,198,331.35
  6. Step 6: Final answer
    x = 9,827,000.47

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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.