Home / 10,542,328.58-15,810,390.74-4,781,729.54

Finding the Fourth Proportional to 10,542,328.58, 15,810,390.74 and 4,781,729.54

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Solution

The fourth proportional to 10,542,328.58, 15,810,390.74 and 4,781,729.54 is: 7,171,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,328.58 : 15,810,390.74 = 4,781,729.54 : x
  2. Step 2: Convert to fraction form
    10,542,328.58/15,810,390.74 = 4,781,729.54/x
  3. Step 3: Cross multiply
    10,542,328.58x = 15,810,390.74 × 4,781,729.54
  4. Step 4: Simplify right side
    10,542,328.58x = 75,601,012,491,880.77
  5. Step 5: Solve for x
    x = 75,601,012,491,880.77/10,542,328.58
  6. Step 6: Final answer
    x = 7,171,187.27

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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.