Home / 6,628,828.36-9,147,480.78-3,688,790.80

Finding the Fourth Proportional to 6,628,828.36, 9,147,480.78 and 3,688,790.80

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Solution

The fourth proportional to 6,628,828.36, 9,147,480.78 and 3,688,790.80 is: 5,090,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,828.36 : 9,147,480.78 = 3,688,790.80 : x
  2. Step 2: Convert to fraction form
    6,628,828.36/9,147,480.78 = 3,688,790.80/x
  3. Step 3: Cross multiply
    6,628,828.36x = 9,147,480.78 × 3,688,790.80
  4. Step 4: Simplify right side
    6,628,828.36x = 33,743,142,944,440.82
  5. Step 5: Solve for x
    x = 33,743,142,944,440.82/6,628,828.36
  6. Step 6: Final answer
    x = 5,090,363.05

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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.