Home / 38,774,233.98-53,508,768.48-21,370,623.66

Finding the Fourth Proportional to 38,774,233.98, 53,508,768.48 and 21,370,623.66

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Solution

The fourth proportional to 38,774,233.98, 53,508,768.48 and 21,370,623.66 is: 29,491,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774,233.98 : 53,508,768.48 = 21,370,623.66 : x
  2. Step 2: Convert to fraction form
    38,774,233.98/53,508,768.48 = 21,370,623.66/x
  3. Step 3: Cross multiply
    38,774,233.98x = 53,508,768.48 × 21,370,623.66
  4. Step 4: Simplify right side
    38,774,233.98x = 1,143,515,753,696,150.25
  5. Step 5: Solve for x
    x = 1,143,515,753,696,150.25/38,774,233.98
  6. Step 6: Final answer
    x = 29,491,640.10

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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.