Home / 8,489,331-12,725,991.54-4,225,468.32

Finding the Fourth Proportional to 8,489,331, 12,725,991.54 and 4,225,468.32

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Solution

The fourth proportional to 8,489,331, 12,725,991.54 and 4,225,468.32 is: 6,334,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,331 : 12,725,991.54 = 4,225,468.32 : x
  2. Step 2: Convert to fraction form
    8,489,331/12,725,991.54 = 4,225,468.32/x
  3. Step 3: Cross multiply
    8,489,331x = 12,725,991.54 × 4,225,468.32
  4. Step 4: Simplify right side
    8,489,331x = 53,773,274,092,858.02
  5. Step 5: Solve for x
    x = 53,773,274,092,858.02/8,489,331
  6. Step 6: Final answer
    x = 6,334,218.10

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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.