Home / 8,211,706.92-12,316,768.74-2,530,405.80

Finding the Fourth Proportional to 8,211,706.92, 12,316,768.74 and 2,530,405.80

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Solution

The fourth proportional to 8,211,706.92, 12,316,768.74 and 2,530,405.80 is: 3,795,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,706.92 : 12,316,768.74 = 2,530,405.80 : x
  2. Step 2: Convert to fraction form
    8,211,706.92/12,316,768.74 = 2,530,405.80/x
  3. Step 3: Cross multiply
    8,211,706.92x = 12,316,768.74 × 2,530,405.80
  4. Step 4: Simplify right side
    8,211,706.92x = 31,166,423,056,954.69
  5. Step 5: Solve for x
    x = 31,166,423,056,954.69/8,211,706.92
  6. Step 6: Final answer
    x = 3,795,364.76

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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.