Home / 7,137,809.60-9,850,189.75-3,874,626.54

Finding the Fourth Proportional to 7,137,809.60, 9,850,189.75 and 3,874,626.54

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Solution

The fourth proportional to 7,137,809.60, 9,850,189.75 and 3,874,626.54 is: 5,346,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,809.60 : 9,850,189.75 = 3,874,626.54 : x
  2. Step 2: Convert to fraction form
    7,137,809.60/9,850,189.75 = 3,874,626.54/x
  3. Step 3: Cross multiply
    7,137,809.60x = 9,850,189.75 × 3,874,626.54
  4. Step 4: Simplify right side
    7,137,809.60x = 38,165,806,619,699.40
  5. Step 5: Solve for x
    x = 38,165,806,619,699.40/7,137,809.60
  6. Step 6: Final answer
    x = 5,346,991.41

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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.