Home / 8,078,132.45-11,147,858.93-4,407,037.89

Finding the Fourth Proportional to 8,078,132.45, 11,147,858.93 and 4,407,037.89

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Solution

The fourth proportional to 8,078,132.45, 11,147,858.93 and 4,407,037.89 is: 6,081,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,132.45 : 11,147,858.93 = 4,407,037.89 : x
  2. Step 2: Convert to fraction form
    8,078,132.45/11,147,858.93 = 4,407,037.89/x
  3. Step 3: Cross multiply
    8,078,132.45x = 11,147,858.93 × 4,407,037.89
  4. Step 4: Simplify right side
    8,078,132.45x = 49,129,036,707,902.45
  5. Step 5: Solve for x
    x = 49,129,036,707,902.45/8,078,132.45
  6. Step 6: Final answer
    x = 6,081,732.01

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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.