Home / 8,320,880.20-12,456,437.10-4,953,353.80

Finding the Fourth Proportional to 8,320,880.20, 12,456,437.10 and 4,953,353.80

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Solution

The fourth proportional to 8,320,880.20, 12,456,437.10 and 4,953,353.80 is: 7,415,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,880.20 : 12,456,437.10 = 4,953,353.80 : x
  2. Step 2: Convert to fraction form
    8,320,880.20/12,456,437.10 = 4,953,353.80/x
  3. Step 3: Cross multiply
    8,320,880.20x = 12,456,437.10 × 4,953,353.80
  4. Step 4: Simplify right side
    8,320,880.20x = 61,701,140,043,745.98
  5. Step 5: Solve for x
    x = 61,701,140,043,745.98/8,320,880.20
  6. Step 6: Final answer
    x = 7,415,217.93

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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.