Home / 8,496,431.12-12,741,890.52-2,815,130

Finding the Fourth Proportional to 8,496,431.12, 12,741,890.52 and 2,815,130

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Solution

The fourth proportional to 8,496,431.12, 12,741,890.52 and 2,815,130 is: 4,221,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496,431.12 : 12,741,890.52 = 2,815,130 : x
  2. Step 2: Convert to fraction form
    8,496,431.12/12,741,890.52 = 2,815,130/x
  3. Step 3: Cross multiply
    8,496,431.12x = 12,741,890.52 × 2,815,130
  4. Step 4: Simplify right side
    8,496,431.12x = 35,870,078,259,567.60
  5. Step 5: Solve for x
    x = 35,870,078,259,567.60/8,496,431.12
  6. Step 6: Final answer
    x = 4,221,781.80

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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.