Home / 5,214,916.20-7,813,043.10-4,263,133.80

Finding the Fourth Proportional to 5,214,916.20, 7,813,043.10 and 4,263,133.80

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Solution

The fourth proportional to 5,214,916.20, 7,813,043.10 and 4,263,133.80 is: 6,387,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,916.20 : 7,813,043.10 = 4,263,133.80 : x
  2. Step 2: Convert to fraction form
    5,214,916.20/7,813,043.10 = 4,263,133.80/x
  3. Step 3: Cross multiply
    5,214,916.20x = 7,813,043.10 × 4,263,133.80
  4. Step 4: Simplify right side
    5,214,916.20x = 33,308,048,120,466.78
  5. Step 5: Solve for x
    x = 33,308,048,120,466.78/5,214,916.20
  6. Step 6: Final answer
    x = 6,387,072.55

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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.