Home / 9,964,940.96-13,751,555.90-5,615,424.43

Finding the Fourth Proportional to 9,964,940.96, 13,751,555.90 and 5,615,424.43

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Solution

The fourth proportional to 9,964,940.96, 13,751,555.90 and 5,615,424.43 is: 7,749,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964,940.96 : 13,751,555.90 = 5,615,424.43 : x
  2. Step 2: Convert to fraction form
    9,964,940.96/13,751,555.90 = 5,615,424.43/x
  3. Step 3: Cross multiply
    9,964,940.96x = 13,751,555.90 × 5,615,424.43
  4. Step 4: Simplify right side
    9,964,940.96x = 77,220,822,888,914.62
  5. Step 5: Solve for x
    x = 77,220,822,888,914.62/9,964,940.96
  6. Step 6: Final answer
    x = 7,749,250.41

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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.