Home / 8,435,358.20-12,644,516.64-3,321,376.22

Finding the Fourth Proportional to 8,435,358.20, 12,644,516.64 and 3,321,376.22

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Solution

The fourth proportional to 8,435,358.20, 12,644,516.64 and 3,321,376.22 is: 4,978,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,358.20 : 12,644,516.64 = 3,321,376.22 : x
  2. Step 2: Convert to fraction form
    8,435,358.20/12,644,516.64 = 3,321,376.22/x
  3. Step 3: Cross multiply
    8,435,358.20x = 12,644,516.64 × 3,321,376.22
  4. Step 4: Simplify right side
    8,435,358.20x = 41,997,196,881,490.30
  5. Step 5: Solve for x
    x = 41,997,196,881,490.30/8,435,358.20
  6. Step 6: Final answer
    x = 4,978,709.37

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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.