Home / 8,085,623.55-12,128,435.33-5,381,179.35

Finding the Fourth Proportional to 8,085,623.55, 12,128,435.33 and 5,381,179.35

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Solution

The fourth proportional to 8,085,623.55, 12,128,435.33 and 5,381,179.35 is: 8,071,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,623.55 : 12,128,435.33 = 5,381,179.35 : x
  2. Step 2: Convert to fraction form
    8,085,623.55/12,128,435.33 = 5,381,179.35/x
  3. Step 3: Cross multiply
    8,085,623.55x = 12,128,435.33 × 5,381,179.35
  4. Step 4: Simplify right side
    8,085,623.55x = 65,265,285,718,700.53
  5. Step 5: Solve for x
    x = 65,265,285,718,700.53/8,085,623.55
  6. Step 6: Final answer
    x = 8,071,769.03

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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.