Home / 6,327,144.47-8,731,412.80-3,426,468.05

Finding the Fourth Proportional to 6,327,144.47, 8,731,412.80 and 3,426,468.05

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Solution

The fourth proportional to 6,327,144.47, 8,731,412.80 and 3,426,468.05 is: 4,728,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327,144.47 : 8,731,412.80 = 3,426,468.05 : x
  2. Step 2: Convert to fraction form
    6,327,144.47/8,731,412.80 = 3,426,468.05/x
  3. Step 3: Cross multiply
    6,327,144.47x = 8,731,412.80 × 3,426,468.05
  4. Step 4: Simplify right side
    6,327,144.47x = 29,917,906,938,337.80
  5. Step 5: Solve for x
    x = 29,917,906,938,337.80/6,327,144.47
  6. Step 6: Final answer
    x = 4,728,500.69

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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.