Home / 11,831,221-16,327,084.98-6,398,713

Finding the Fourth Proportional to 11,831,221, 16,327,084.98 and 6,398,713

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Solution

The fourth proportional to 11,831,221, 16,327,084.98 and 6,398,713 is: 8,830,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,221 : 16,327,084.98 = 6,398,713 : x
  2. Step 2: Convert to fraction form
    11,831,221/16,327,084.98 = 6,398,713/x
  3. Step 3: Cross multiply
    11,831,221x = 16,327,084.98 × 6,398,713
  4. Step 4: Simplify right side
    11,831,221x = 104,472,330,913,630.75
  5. Step 5: Solve for x
    x = 104,472,330,913,630.75/11,831,221
  6. Step 6: Final answer
    x = 8,830,223.94

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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.