Home / 6,647,965.39-9,178,461.84-4,170,582.55

Finding the Fourth Proportional to 6,647,965.39, 9,178,461.84 and 4,170,582.55

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Solution

The fourth proportional to 6,647,965.39, 9,178,461.84 and 4,170,582.55 is: 5,758,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,965.39 : 9,178,461.84 = 4,170,582.55 : x
  2. Step 2: Convert to fraction form
    6,647,965.39/9,178,461.84 = 4,170,582.55/x
  3. Step 3: Cross multiply
    6,647,965.39x = 9,178,461.84 × 4,170,582.55
  4. Step 4: Simplify right side
    6,647,965.39x = 38,279,532,785,744.89
  5. Step 5: Solve for x
    x = 38,279,532,785,744.89/6,647,965.39
  6. Step 6: Final answer
    x = 5,758,082.44

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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.