Home / 38,810,186.34-53,558,309.73-21,407,001.54

Finding the Fourth Proportional to 38,810,186.34, 53,558,309.73 and 21,407,001.54

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Solution

The fourth proportional to 38,810,186.34, 53,558,309.73 and 21,407,001.54 is: 29,541,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810,186.34 : 53,558,309.73 = 21,407,001.54 : x
  2. Step 2: Convert to fraction form
    38,810,186.34/53,558,309.73 = 21,407,001.54/x
  3. Step 3: Cross multiply
    38,810,186.34x = 53,558,309.73 × 21,407,001.54
  4. Step 4: Simplify right side
    38,810,186.34x = 1,146,522,818,869,906.75
  5. Step 5: Solve for x
    x = 1,146,522,818,869,906.75/38,810,186.34
  6. Step 6: Final answer
    x = 29,541,801.44

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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.