Home / 38,696,190.07-53,399,141.26-21,055,165.23

Finding the Fourth Proportional to 38,696,190.07, 53,399,141.26 and 21,055,165.23

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Solution

The fourth proportional to 38,696,190.07, 53,399,141.26 and 21,055,165.23 is: 29,055,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,190.07 : 53,399,141.26 = 21,055,165.23 : x
  2. Step 2: Convert to fraction form
    38,696,190.07/53,399,141.26 = 21,055,165.23/x
  3. Step 3: Cross multiply
    38,696,190.07x = 53,399,141.26 × 21,055,165.23
  4. Step 4: Simplify right side
    38,696,190.07x = 1,124,327,741,997,139
  5. Step 5: Solve for x
    x = 1,124,327,741,997,139/38,696,190.07
  6. Step 6: Final answer
    x = 29,055,256.86

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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.