Home / 14,139,761.60-19,515,086.88-8,339,180.96

Finding the Fourth Proportional to 14,139,761.60, 19,515,086.88 and 8,339,180.96

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Solution

The fourth proportional to 14,139,761.60, 19,515,086.88 and 8,339,180.96 is: 11,509,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139,761.60 : 19,515,086.88 = 8,339,180.96 : x
  2. Step 2: Convert to fraction form
    14,139,761.60/19,515,086.88 = 8,339,180.96/x
  3. Step 3: Cross multiply
    14,139,761.60x = 19,515,086.88 × 8,339,180.96
  4. Step 4: Simplify right side
    14,139,761.60x = 162,739,840,942,441.78
  5. Step 5: Solve for x
    x = 162,739,840,942,441.78/14,139,761.60
  6. Step 6: Final answer
    x = 11,509,376.58

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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.