Home / 11,831,230-16,327,097.40-6,398,722

Finding the Fourth Proportional to 11,831,230, 16,327,097.40 and 6,398,722

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Solution

The fourth proportional to 11,831,230, 16,327,097.40 and 6,398,722 is: 8,830,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,230 : 16,327,097.40 = 6,398,722 : x
  2. Step 2: Convert to fraction form
    11,831,230/16,327,097.40 = 6,398,722/x
  3. Step 3: Cross multiply
    11,831,230x = 16,327,097.40 × 6,398,722
  4. Step 4: Simplify right side
    11,831,230x = 104,472,557,329,522.80
  5. Step 5: Solve for x
    x = 104,472,557,329,522.80/11,831,230
  6. Step 6: Final answer
    x = 8,830,236.36

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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.