Home / 11,831,217-16,327,079.46-6,398,709

Finding the Fourth Proportional to 11,831,217, 16,327,079.46 and 6,398,709

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Solution

The fourth proportional to 11,831,217, 16,327,079.46 and 6,398,709 is: 8,830,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,217 : 16,327,079.46 = 6,398,709 : x
  2. Step 2: Convert to fraction form
    11,831,217/16,327,079.46 = 6,398,709/x
  3. Step 3: Cross multiply
    11,831,217x = 16,327,079.46 × 6,398,709
  4. Step 4: Simplify right side
    11,831,217x = 104,472,230,284,417.14
  5. Step 5: Solve for x
    x = 104,472,230,284,417.14/11,831,217
  6. Step 6: Final answer
    x = 8,830,218.42

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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.