Home / 38,351,568.40-52,924,849.88-20,947,924.60

Finding the Fourth Proportional to 38,351,568.40, 52,924,849.88 and 20,947,924.60

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Solution

The fourth proportional to 38,351,568.40, 52,924,849.88 and 20,947,924.60 is: 28,907,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,568.40 : 52,924,849.88 = 20,947,924.60 : x
  2. Step 2: Convert to fraction form
    38,351,568.40/52,924,849.88 = 20,947,924.60/x
  3. Step 3: Cross multiply
    38,351,568.40x = 52,924,849.88 × 20,947,924.60
  4. Step 4: Simplify right side
    38,351,568.40x = 1,108,665,764,752,559.12
  5. Step 5: Solve for x
    x = 1,108,665,764,752,559.12/38,351,568.40
  6. Step 6: Final answer
    x = 28,907,964.16

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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.