Home / 20,190,603.60-30,279,552.96-6,540,583.02

Finding the Fourth Proportional to 20,190,603.60, 30,279,552.96 and 6,540,583.02

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Solution

The fourth proportional to 20,190,603.60, 30,279,552.96 and 6,540,583.02 is: 9,808,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,603.60 : 30,279,552.96 = 6,540,583.02 : x
  2. Step 2: Convert to fraction form
    20,190,603.60/30,279,552.96 = 6,540,583.02/x
  3. Step 3: Cross multiply
    20,190,603.60x = 30,279,552.96 × 6,540,583.02
  4. Step 4: Simplify right side
    20,190,603.60x = 198,045,929,943,366.72
  5. Step 5: Solve for x
    x = 198,045,929,943,366.72/20,190,603.60
  6. Step 6: Final answer
    x = 9,808,816.71

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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.