Home / 8,129,705.48-11,218,993.57-4,508,033.48

Finding the Fourth Proportional to 8,129,705.48, 11,218,993.57 and 4,508,033.48

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Solution

The fourth proportional to 8,129,705.48, 11,218,993.57 and 4,508,033.48 is: 6,221,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,705.48 : 11,218,993.57 = 4,508,033.48 : x
  2. Step 2: Convert to fraction form
    8,129,705.48/11,218,993.57 = 4,508,033.48/x
  3. Step 3: Cross multiply
    8,129,705.48x = 11,218,993.57 × 4,508,033.48
  4. Step 4: Simplify right side
    8,129,705.48x = 50,575,598,667,501.77
  5. Step 5: Solve for x
    x = 50,575,598,667,501.77/8,129,705.48
  6. Step 6: Final answer
    x = 6,221,086.21

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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.