Home / 38,858,881.20-58,325,646.60-19,711,258.80

Finding the Fourth Proportional to 38,858,881.20, 58,325,646.60 and 19,711,258.80

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Solution

The fourth proportional to 38,858,881.20, 58,325,646.60 and 19,711,258.80 is: 29,585,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858,881.20 : 58,325,646.60 = 19,711,258.80 : x
  2. Step 2: Convert to fraction form
    38,858,881.20/58,325,646.60 = 19,711,258.80/x
  3. Step 3: Cross multiply
    38,858,881.20x = 58,325,646.60 × 19,711,258.80
  4. Step 4: Simplify right side
    38,858,881.20x = 1,149,671,914,809,940.25
  5. Step 5: Solve for x
    x = 1,149,671,914,809,940.25/38,858,881.20
  6. Step 6: Final answer
    x = 29,585,821.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.