Home / 10,693,880.70-16,040,821.05-7,824,099.30

Finding the Fourth Proportional to 10,693,880.70, 16,040,821.05 and 7,824,099.30

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Solution

The fourth proportional to 10,693,880.70, 16,040,821.05 and 7,824,099.30 is: 11,736,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,880.70 : 16,040,821.05 = 7,824,099.30 : x
  2. Step 2: Convert to fraction form
    10,693,880.70/16,040,821.05 = 7,824,099.30/x
  3. Step 3: Cross multiply
    10,693,880.70x = 16,040,821.05 × 7,824,099.30
  4. Step 4: Simplify right side
    10,693,880.70x = 125,504,976,748,730.27
  5. Step 5: Solve for x
    x = 125,504,976,748,730.27/10,693,880.70
  6. Step 6: Final answer
    x = 11,736,148.95

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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.