Home / 13,939,940.20-20,910,947.10-4,963,325.80

Finding the Fourth Proportional to 13,939,940.20, 20,910,947.10 and 4,963,325.80

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Solution

The fourth proportional to 13,939,940.20, 20,910,947.10 and 4,963,325.80 is: 7,445,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939,940.20 : 20,910,947.10 = 4,963,325.80 : x
  2. Step 2: Convert to fraction form
    13,939,940.20/20,910,947.10 = 4,963,325.80/x
  3. Step 3: Cross multiply
    13,939,940.20x = 20,910,947.10 × 4,963,325.80
  4. Step 4: Simplify right side
    13,939,940.20x = 103,787,843,243,865.19
  5. Step 5: Solve for x
    x = 103,787,843,243,865.19/13,939,940.20
  6. Step 6: Final answer
    x = 7,445,357.85

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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.