Home / 14,947,818.30-20,627,989.20-8,072,299.89

Finding the Fourth Proportional to 14,947,818.30, 20,627,989.20 and 8,072,299.89

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Solution

The fourth proportional to 14,947,818.30, 20,627,989.20 and 8,072,299.89 is: 11,139,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,818.30 : 20,627,989.20 = 8,072,299.89 : x
  2. Step 2: Convert to fraction form
    14,947,818.30/20,627,989.20 = 8,072,299.89/x
  3. Step 3: Cross multiply
    14,947,818.30x = 20,627,989.20 × 8,072,299.89
  4. Step 4: Simplify right side
    14,947,818.30x = 166,515,314,950,081.19
  5. Step 5: Solve for x
    x = 166,515,314,950,081.19/14,947,818.30
  6. Step 6: Final answer
    x = 11,139,773.82

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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.