Home / 6,321,330.09-8,723,458.47-3,420,720.64

Finding the Fourth Proportional to 6,321,330.09, 8,723,458.47 and 3,420,720.64

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Solution

The fourth proportional to 6,321,330.09, 8,723,458.47 and 3,420,720.64 is: 4,720,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,330.09 : 8,723,458.47 = 3,420,720.64 : x
  2. Step 2: Convert to fraction form
    6,321,330.09/8,723,458.47 = 3,420,720.64/x
  3. Step 3: Cross multiply
    6,321,330.09x = 8,723,458.47 × 3,420,720.64
  4. Step 4: Simplify right side
    6,321,330.09x = 29,840,514,440,511.82
  5. Step 5: Solve for x
    x = 29,840,514,440,511.82/6,321,330.09
  6. Step 6: Final answer
    x = 4,720,606.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.