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Finding the Fourth Proportional to 8,489,322, 12,725,978.04 and 4,225,459.32

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Solution

The fourth proportional to 8,489,322, 12,725,978.04 and 4,225,459.32 is: 6,334,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,322 : 12,725,978.04 = 4,225,459.32 : x
  2. Step 2: Convert to fraction form
    8,489,322/12,725,978.04 = 4,225,459.32/x
  3. Step 3: Cross multiply
    8,489,322x = 12,725,978.04 × 4,225,459.32
  4. Step 4: Simplify right side
    8,489,322x = 53,773,102,515,233.34
  5. Step 5: Solve for x
    x = 53,773,102,515,233.34/8,489,322
  6. Step 6: Final answer
    x = 6,334,204.61

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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.