Home / 38,696,192.07-53,399,144.01-21,055,167.22

Finding the Fourth Proportional to 38,696,192.07, 53,399,144.01 and 21,055,167.22

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Solution

The fourth proportional to 38,696,192.07, 53,399,144.01 and 21,055,167.22 is: 29,055,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,192.07 : 53,399,144.01 = 21,055,167.22 : x
  2. Step 2: Convert to fraction form
    38,696,192.07/53,399,144.01 = 21,055,167.22/x
  3. Step 3: Cross multiply
    38,696,192.07x = 53,399,144.01 × 21,055,167.22
  4. Step 4: Simplify right side
    38,696,192.07x = 1,124,327,906,535,411.25
  5. Step 5: Solve for x
    x = 1,124,327,906,535,411.25/38,696,192.07
  6. Step 6: Final answer
    x = 29,055,259.61

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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.