Home / 8,323,828.76-12,485,759.20-3,208,667.45

Finding the Fourth Proportional to 8,323,828.76, 12,485,759.20 and 3,208,667.45

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Solution

The fourth proportional to 8,323,828.76, 12,485,759.20 and 3,208,667.45 is: 4,813,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,828.76 : 12,485,759.20 = 3,208,667.45 : x
  2. Step 2: Convert to fraction form
    8,323,828.76/12,485,759.20 = 3,208,667.45/x
  3. Step 3: Cross multiply
    8,323,828.76x = 12,485,759.20 × 3,208,667.45
  4. Step 4: Simplify right side
    8,323,828.76x = 40,062,649,133,578.04
  5. Step 5: Solve for x
    x = 40,062,649,133,578.04/8,323,828.76
  6. Step 6: Final answer
    x = 4,813,007.37

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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.