Home / 9,619,629.70-13,275,303.81-5,489,578.60

Finding the Fourth Proportional to 9,619,629.70, 13,275,303.81 and 5,489,578.60

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Solution

The fourth proportional to 9,619,629.70, 13,275,303.81 and 5,489,578.60 is: 7,575,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619,629.70 : 13,275,303.81 = 5,489,578.60 : x
  2. Step 2: Convert to fraction form
    9,619,629.70/13,275,303.81 = 5,489,578.60/x
  3. Step 3: Cross multiply
    9,619,629.70x = 13,275,303.81 × 5,489,578.60
  4. Step 4: Simplify right side
    9,619,629.70x = 72,875,823,703,874.47
  5. Step 5: Solve for x
    x = 72,875,823,703,874.47/9,619,629.70
  6. Step 6: Final answer
    x = 7,575,741.06

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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.