Home / 28,147,696.70-38,823,792.81-25,832,068.64

Finding the Fourth Proportional to 28,147,696.70, 38,823,792.81 and 25,832,068.64

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Solution

The fourth proportional to 28,147,696.70, 38,823,792.81 and 25,832,068.64 is: 35,629,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,696.70 : 38,823,792.81 = 25,832,068.64 : x
  2. Step 2: Convert to fraction form
    28,147,696.70/38,823,792.81 = 25,832,068.64/x
  3. Step 3: Cross multiply
    28,147,696.70x = 38,823,792.81 × 25,832,068.64
  4. Step 4: Simplify right side
    28,147,696.70x = 1,002,898,880,714,923.25
  5. Step 5: Solve for x
    x = 1,002,898,880,714,923.25/28,147,696.70
  6. Step 6: Final answer
    x = 35,629,873.78

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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.