Home / 8,065,647.20-12,112,467.60-4,286,511.20

Finding the Fourth Proportional to 8,065,647.20, 12,112,467.60 and 4,286,511.20

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Solution

The fourth proportional to 8,065,647.20, 12,112,467.60 and 4,286,511.20 is: 6,437,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,647.20 : 12,112,467.60 = 4,286,511.20 : x
  2. Step 2: Convert to fraction form
    8,065,647.20/12,112,467.60 = 4,286,511.20/x
  3. Step 3: Cross multiply
    8,065,647.20x = 12,112,467.60 × 4,286,511.20
  4. Step 4: Simplify right side
    8,065,647.20x = 51,920,228,027,037.12
  5. Step 5: Solve for x
    x = 51,920,228,027,037.12/8,065,647.20
  6. Step 6: Final answer
    x = 6,437,205.44

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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.