Home / 7,880,627.54-11,819,962.94-2,123,811.54

Finding the Fourth Proportional to 7,880,627.54, 11,819,962.94 and 2,123,811.54

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Solution

The fourth proportional to 7,880,627.54, 11,819,962.94 and 2,123,811.54 is: 3,185,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,627.54 : 11,819,962.94 = 2,123,811.54 : x
  2. Step 2: Convert to fraction form
    7,880,627.54/11,819,962.94 = 2,123,811.54/x
  3. Step 3: Cross multiply
    7,880,627.54x = 11,819,962.94 × 2,123,811.54
  4. Step 4: Simplify right side
    7,880,627.54x = 25,103,373,683,725.27
  5. Step 5: Solve for x
    x = 25,103,373,683,725.27/7,880,627.54
  6. Step 6: Final answer
    x = 3,185,453.64

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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.