Home / 11,998,406.86-16,557,683.64-6,491,660.86

Finding the Fourth Proportional to 11,998,406.86, 16,557,683.64 and 6,491,660.86

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Solution

The fourth proportional to 11,998,406.86, 16,557,683.64 and 6,491,660.86 is: 8,958,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,406.86 : 16,557,683.64 = 6,491,660.86 : x
  2. Step 2: Convert to fraction form
    11,998,406.86/16,557,683.64 = 6,491,660.86/x
  3. Step 3: Cross multiply
    11,998,406.86x = 16,557,683.64 × 6,491,660.86
  4. Step 4: Simplify right side
    11,998,406.86x = 107,486,866,818,050.34
  5. Step 5: Solve for x
    x = 107,486,866,818,050.34/11,998,406.86
  6. Step 6: Final answer
    x = 8,958,428.24

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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.