Home / 6,378,288.16-9,571,915.48-5,768,459.52

Finding the Fourth Proportional to 6,378,288.16, 9,571,915.48 and 5,768,459.52

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Solution

The fourth proportional to 6,378,288.16, 9,571,915.48 and 5,768,459.52 is: 8,656,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,288.16 : 9,571,915.48 = 5,768,459.52 : x
  2. Step 2: Convert to fraction form
    6,378,288.16/9,571,915.48 = 5,768,459.52/x
  3. Step 3: Cross multiply
    6,378,288.16x = 9,571,915.48 × 5,768,459.52
  4. Step 4: Simplify right side
    6,378,288.16x = 55,215,206,975,241.37
  5. Step 5: Solve for x
    x = 55,215,206,975,241.37/6,378,288.16
  6. Step 6: Final answer
    x = 8,656,743.88

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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.