Home / 6,628,827.36-9,147,479.40-3,688,789.80

Finding the Fourth Proportional to 6,628,827.36, 9,147,479.40 and 3,688,789.80

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Solution

The fourth proportional to 6,628,827.36, 9,147,479.40 and 3,688,789.80 is: 5,090,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,827.36 : 9,147,479.40 = 3,688,789.80 : x
  2. Step 2: Convert to fraction form
    6,628,827.36/9,147,479.40 = 3,688,789.80/x
  3. Step 3: Cross multiply
    6,628,827.36x = 9,147,479.40 × 3,688,789.80
  4. Step 4: Simplify right side
    6,628,827.36x = 33,743,128,706,430.12
  5. Step 5: Solve for x
    x = 33,743,128,706,430.12/6,628,827.36
  6. Step 6: Final answer
    x = 5,090,361.67

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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.