Home / 11,905,885.72-16,430,006.82-6,473,377.72

Finding the Fourth Proportional to 11,905,885.72, 16,430,006.82 and 6,473,377.72

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Solution

The fourth proportional to 11,905,885.72, 16,430,006.82 and 6,473,377.72 is: 8,933,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,885.72 : 16,430,006.82 = 6,473,377.72 : x
  2. Step 2: Convert to fraction form
    11,905,885.72/16,430,006.82 = 6,473,377.72/x
  3. Step 3: Cross multiply
    11,905,885.72x = 16,430,006.82 × 6,473,377.72
  4. Step 4: Simplify right side
    11,905,885.72x = 106,357,640,088,036.05
  5. Step 5: Solve for x
    x = 106,357,640,088,036.05/11,905,885.72
  6. Step 6: Final answer
    x = 8,933,198.47

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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.