Home / 6,813,809.40-9,404,512.16-3,914,798.75

Finding the Fourth Proportional to 6,813,809.40, 9,404,512.16 and 3,914,798.75

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Solution

The fourth proportional to 6,813,809.40, 9,404,512.16 and 3,914,798.75 is: 5,403,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813,809.40 : 9,404,512.16 = 3,914,798.75 : x
  2. Step 2: Convert to fraction form
    6,813,809.40/9,404,512.16 = 3,914,798.75/x
  3. Step 3: Cross multiply
    6,813,809.40x = 9,404,512.16 × 3,914,798.75
  4. Step 4: Simplify right side
    6,813,809.40x = 36,816,772,416,998.16
  5. Step 5: Solve for x
    x = 36,816,772,416,998.16/6,813,809.40
  6. Step 6: Final answer
    x = 5,403,258.33

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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.