Home / 13,375,858.60-18,460,260.66-7,943,350.60

Finding the Fourth Proportional to 13,375,858.60, 18,460,260.66 and 7,943,350.60

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Solution

The fourth proportional to 13,375,858.60, 18,460,260.66 and 7,943,350.60 is: 10,962,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,858.60 : 18,460,260.66 = 7,943,350.60 : x
  2. Step 2: Convert to fraction form
    13,375,858.60/18,460,260.66 = 7,943,350.60/x
  3. Step 3: Cross multiply
    13,375,858.60x = 18,460,260.66 × 7,943,350.60
  4. Step 4: Simplify right side
    13,375,858.60x = 146,636,322,589,767.38
  5. Step 5: Solve for x
    x = 146,636,322,589,767.38/13,375,858.60
  6. Step 6: Final answer
    x = 10,962,759.62

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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.