Home / 10,693,881.20-16,040,821.80-7,824,099.80

Finding the Fourth Proportional to 10,693,881.20, 16,040,821.80 and 7,824,099.80

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Solution

The fourth proportional to 10,693,881.20, 16,040,821.80 and 7,824,099.80 is: 11,736,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,881.20 : 16,040,821.80 = 7,824,099.80 : x
  2. Step 2: Convert to fraction form
    10,693,881.20/16,040,821.80 = 7,824,099.80/x
  3. Step 3: Cross multiply
    10,693,881.20x = 16,040,821.80 × 7,824,099.80
  4. Step 4: Simplify right side
    10,693,881.20x = 125,504,990,637,215.64
  5. Step 5: Solve for x
    x = 125,504,990,637,215.64/10,693,881.20
  6. Step 6: Final answer
    x = 11,736,149.70

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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.