Home / 6,515,257.28-9,768,160.80-4,380,044.48

Finding the Fourth Proportional to 6,515,257.28, 9,768,160.80 and 4,380,044.48

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Solution

The fourth proportional to 6,515,257.28, 9,768,160.80 and 4,380,044.48 is: 6,566,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,257.28 : 9,768,160.80 = 4,380,044.48 : x
  2. Step 2: Convert to fraction form
    6,515,257.28/9,768,160.80 = 4,380,044.48/x
  3. Step 3: Cross multiply
    6,515,257.28x = 9,768,160.80 × 4,380,044.48
  4. Step 4: Simplify right side
    6,515,257.28x = 42,784,978,791,792.39
  5. Step 5: Solve for x
    x = 42,784,978,791,792.39/6,515,257.28
  6. Step 6: Final answer
    x = 6,566,890.14

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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.