Home / 12,320,192.82-18,478,877.40-3,223,168.28

Finding the Fourth Proportional to 12,320,192.82, 18,478,877.40 and 3,223,168.28

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Solution

The fourth proportional to 12,320,192.82, 18,478,877.40 and 3,223,168.28 is: 4,834,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,192.82 : 18,478,877.40 = 3,223,168.28 : x
  2. Step 2: Convert to fraction form
    12,320,192.82/18,478,877.40 = 3,223,168.28/x
  3. Step 3: Cross multiply
    12,320,192.82x = 18,478,877.40 × 3,223,168.28
  4. Step 4: Simplify right side
    12,320,192.82x = 59,560,531,393,294.48
  5. Step 5: Solve for x
    x = 59,560,531,393,294.48/12,320,192.82
  6. Step 6: Final answer
    x = 4,834,383.05

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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.