Home / 8,129,078.61-11,217,097.42-4,457,028.89

Finding the Fourth Proportional to 8,129,078.61, 11,217,097.42 and 4,457,028.89

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Solution

The fourth proportional to 8,129,078.61, 11,217,097.42 and 4,457,028.89 is: 6,150,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,078.61 : 11,217,097.42 = 4,457,028.89 : x
  2. Step 2: Convert to fraction form
    8,129,078.61/11,217,097.42 = 4,457,028.89/x
  3. Step 3: Cross multiply
    8,129,078.61x = 11,217,097.42 × 4,457,028.89
  4. Step 4: Simplify right side
    8,129,078.61x = 49,994,927,304,855.43
  5. Step 5: Solve for x
    x = 49,994,927,304,855.43/8,129,078.61
  6. Step 6: Final answer
    x = 6,150,134.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.