Home / 14,223,122.76-19,621,654.58-8,339,753.90

Finding the Fourth Proportional to 14,223,122.76, 19,621,654.58 and 8,339,753.90

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Solution

The fourth proportional to 14,223,122.76, 19,621,654.58 and 8,339,753.90 is: 11,505,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,122.76 : 19,621,654.58 = 8,339,753.90 : x
  2. Step 2: Convert to fraction form
    14,223,122.76/19,621,654.58 = 8,339,753.90/x
  3. Step 3: Cross multiply
    14,223,122.76x = 19,621,654.58 × 8,339,753.90
  4. Step 4: Simplify right side
    14,223,122.76x = 163,639,770,308,007.84
  5. Step 5: Solve for x
    x = 163,639,770,308,007.84/14,223,122.76
  6. Step 6: Final answer
    x = 11,505,192.85

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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.