Home / 11,905,890.72-16,430,013.72-6,473,382.72

Finding the Fourth Proportional to 11,905,890.72, 16,430,013.72 and 6,473,382.72

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Solution

The fourth proportional to 11,905,890.72, 16,430,013.72 and 6,473,382.72 is: 8,933,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,890.72 : 16,430,013.72 = 6,473,382.72 : x
  2. Step 2: Convert to fraction form
    11,905,890.72/16,430,013.72 = 6,473,382.72/x
  3. Step 3: Cross multiply
    11,905,890.72x = 16,430,013.72 × 6,473,382.72
  4. Step 4: Simplify right side
    11,905,890.72x = 106,357,766,904,410.92
  5. Step 5: Solve for x
    x = 106,357,766,904,410.92/11,905,890.72
  6. Step 6: Final answer
    x = 8,933,205.37

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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.