Home / 12,289,004.65-18,436,500.96-4,091,631.82

Finding the Fourth Proportional to 12,289,004.65, 18,436,500.96 and 4,091,631.82

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Solution

The fourth proportional to 12,289,004.65, 18,436,500.96 and 4,091,631.82 is: 6,138,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,004.65 : 18,436,500.96 = 4,091,631.82 : x
  2. Step 2: Convert to fraction form
    12,289,004.65/18,436,500.96 = 4,091,631.82/x
  3. Step 3: Cross multiply
    12,289,004.65x = 18,436,500.96 × 4,091,631.82
  4. Step 4: Simplify right side
    12,289,004.65x = 75,435,373,977,396.55
  5. Step 5: Solve for x
    x = 75,435,373,977,396.55/12,289,004.65
  6. Step 6: Final answer
    x = 6,138,444.58

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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.