Home / 7,376,520.78-10,179,728.73-4,069,193.58

Finding the Fourth Proportional to 7,376,520.78, 10,179,728.73 and 4,069,193.58

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Solution

The fourth proportional to 7,376,520.78, 10,179,728.73 and 4,069,193.58 is: 5,615,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376,520.78 : 10,179,728.73 = 4,069,193.58 : x
  2. Step 2: Convert to fraction form
    7,376,520.78/10,179,728.73 = 4,069,193.58/x
  3. Step 3: Cross multiply
    7,376,520.78x = 10,179,728.73 × 4,069,193.58
  4. Step 4: Simplify right side
    7,376,520.78x = 41,423,286,794,257.55
  5. Step 5: Solve for x
    x = 41,423,286,794,257.55/7,376,520.78
  6. Step 6: Final answer
    x = 5,615,558.88

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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.