Home / 6,147,103.32-9,212,903.28-3,115,231.20

Finding the Fourth Proportional to 6,147,103.32, 9,212,903.28 and 3,115,231.20

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Solution

The fourth proportional to 6,147,103.32, 9,212,903.28 and 3,115,231.20 is: 4,668,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,103.32 : 9,212,903.28 = 3,115,231.20 : x
  2. Step 2: Convert to fraction form
    6,147,103.32/9,212,903.28 = 3,115,231.20/x
  3. Step 3: Cross multiply
    6,147,103.32x = 9,212,903.28 × 3,115,231.20
  4. Step 4: Simplify right side
    6,147,103.32x = 28,700,323,740,438.34
  5. Step 5: Solve for x
    x = 28,700,323,740,438.34/6,147,103.32
  6. Step 6: Final answer
    x = 4,668,918.39

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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.