Home / 8,147,046.90-12,228,443.55-4,958,400.90

Finding the Fourth Proportional to 8,147,046.90, 12,228,443.55 and 4,958,400.90

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Solution

The fourth proportional to 8,147,046.90, 12,228,443.55 and 4,958,400.90 is: 7,442,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,046.90 : 12,228,443.55 = 4,958,400.90 : x
  2. Step 2: Convert to fraction form
    8,147,046.90/12,228,443.55 = 4,958,400.90/x
  3. Step 3: Cross multiply
    8,147,046.90x = 12,228,443.55 × 4,958,400.90
  4. Step 4: Simplify right side
    8,147,046.90x = 60,633,525,503,919.20
  5. Step 5: Solve for x
    x = 60,633,525,503,919.20/8,147,046.90
  6. Step 6: Final answer
    x = 7,442,393.08

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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.