Home / 8,147,051.70-12,212,801.55-3,028,110.90

Finding the Fourth Proportional to 8,147,051.70, 12,212,801.55 and 3,028,110.90

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Solution

The fourth proportional to 8,147,051.70, 12,212,801.55 and 3,028,110.90 is: 4,539,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,051.70 : 12,212,801.55 = 3,028,110.90 : x
  2. Step 2: Convert to fraction form
    8,147,051.70/12,212,801.55 = 3,028,110.90/x
  3. Step 3: Cross multiply
    8,147,051.70x = 12,212,801.55 × 3,028,110.90
  4. Step 4: Simplify right side
    8,147,051.70x = 36,981,717,493,091.90
  5. Step 5: Solve for x
    x = 36,981,717,493,091.90/8,147,051.70
  6. Step 6: Final answer
    x = 4,539,276.15

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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.