Home / 12,659,140.67-18,967,951.20-5,366,773.67

Finding the Fourth Proportional to 12,659,140.67, 18,967,951.20 and 5,366,773.67

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Solution

The fourth proportional to 12,659,140.67, 18,967,951.20 and 5,366,773.67 is: 8,041,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,140.67 : 18,967,951.20 = 5,366,773.67 : x
  2. Step 2: Convert to fraction form
    12,659,140.67/18,967,951.20 = 5,366,773.67/x
  3. Step 3: Cross multiply
    12,659,140.67x = 18,967,951.20 × 5,366,773.67
  4. Step 4: Simplify right side
    12,659,140.67x = 101,796,701,074,004.91
  5. Step 5: Solve for x
    x = 101,796,701,074,004.91/12,659,140.67
  6. Step 6: Final answer
    x = 8,041,359.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.