Home / 20,155,263.60-30,234,738.60-8,185,522.80

Finding the Fourth Proportional to 20,155,263.60, 30,234,738.60 and 8,185,522.80

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Solution

The fourth proportional to 20,155,263.60, 30,234,738.60 and 8,185,522.80 is: 12,279,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,263.60 : 30,234,738.60 = 8,185,522.80 : x
  2. Step 2: Convert to fraction form
    20,155,263.60/30,234,738.60 = 8,185,522.80/x
  3. Step 3: Cross multiply
    20,155,263.60x = 30,234,738.60 × 8,185,522.80
  4. Step 4: Simplify right side
    20,155,263.60x = 247,487,142,162,340.09
  5. Step 5: Solve for x
    x = 247,487,142,162,340.09/20,155,263.60
  6. Step 6: Final answer
    x = 12,279,032.77

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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.