Home / 38,696,194.57-53,399,147.46-21,055,169.72

Finding the Fourth Proportional to 38,696,194.57, 53,399,147.46 and 21,055,169.72

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Solution

The fourth proportional to 38,696,194.57, 53,399,147.46 and 21,055,169.72 is: 29,055,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,194.57 : 53,399,147.46 = 21,055,169.72 : x
  2. Step 2: Convert to fraction form
    38,696,194.57/53,399,147.46 = 21,055,169.72/x
  3. Step 3: Cross multiply
    38,696,194.57x = 53,399,147.46 × 21,055,169.72
  4. Step 4: Simplify right side
    38,696,194.57x = 1,124,328,112,673,606.88
  5. Step 5: Solve for x
    x = 1,124,328,112,673,606.88/38,696,194.57
  6. Step 6: Final answer
    x = 29,055,263.06

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Double scale
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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.