Home / 38,810,194.34-53,558,320.78-21,407,009.54

Finding the Fourth Proportional to 38,810,194.34, 53,558,320.78 and 21,407,009.54

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Solution

The fourth proportional to 38,810,194.34, 53,558,320.78 and 21,407,009.54 is: 29,541,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810,194.34 : 53,558,320.78 = 21,407,009.54 : x
  2. Step 2: Convert to fraction form
    38,810,194.34/53,558,320.78 = 21,407,009.54/x
  3. Step 3: Cross multiply
    38,810,194.34x = 53,558,320.78 × 21,407,009.54
  4. Step 4: Simplify right side
    38,810,194.34x = 1,146,523,483,883,840.25
  5. Step 5: Solve for x
    x = 1,146,523,483,883,840.25/38,810,194.34
  6. Step 6: Final answer
    x = 29,541,812.49

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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.