Home / 38,351,566.40-52,924,847.12-20,947,922.60

Finding the Fourth Proportional to 38,351,566.40, 52,924,847.12 and 20,947,922.60

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Solution

The fourth proportional to 38,351,566.40, 52,924,847.12 and 20,947,922.60 is: 28,907,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,566.40 : 52,924,847.12 = 20,947,922.60 : x
  2. Step 2: Convert to fraction form
    38,351,566.40/52,924,847.12 = 20,947,922.60/x
  3. Step 3: Cross multiply
    38,351,566.40x = 52,924,847.12 × 20,947,922.60
  4. Step 4: Simplify right side
    38,351,566.40x = 1,108,665,601,086,592.88
  5. Step 5: Solve for x
    x = 1,108,665,601,086,592.88/38,351,566.40
  6. Step 6: Final answer
    x = 28,907,961.40

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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.