Home / 20,213,191.80-30,319,787.70-5,836,728.60

Finding the Fourth Proportional to 20,213,191.80, 30,319,787.70 and 5,836,728.60

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Solution

The fourth proportional to 20,213,191.80, 30,319,787.70 and 5,836,728.60 is: 8,755,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,191.80 : 30,319,787.70 = 5,836,728.60 : x
  2. Step 2: Convert to fraction form
    20,213,191.80/30,319,787.70 = 5,836,728.60/x
  3. Step 3: Cross multiply
    20,213,191.80x = 30,319,787.70 × 5,836,728.60
  4. Step 4: Simplify right side
    20,213,191.80x = 176,968,372,014,518.22
  5. Step 5: Solve for x
    x = 176,968,372,014,518.22/20,213,191.80
  6. Step 6: Final answer
    x = 8,755,092.90

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1.5x scale

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.