Home / 8,311,137.40-12,467,094.90-2,631,806.20

Finding the Fourth Proportional to 8,311,137.40, 12,467,094.90 and 2,631,806.20

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Solution

The fourth proportional to 8,311,137.40, 12,467,094.90 and 2,631,806.20 is: 3,947,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,137.40 : 12,467,094.90 = 2,631,806.20 : x
  2. Step 2: Convert to fraction form
    8,311,137.40/12,467,094.90 = 2,631,806.20/x
  3. Step 3: Cross multiply
    8,311,137.40x = 12,467,094.90 × 2,631,806.20
  4. Step 4: Simplify right side
    8,311,137.40x = 32,810,977,653,808.38
  5. Step 5: Solve for x
    x = 32,810,977,653,808.38/8,311,137.40
  6. Step 6: Final answer
    x = 3,947,832.42

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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.