Home / 39,927,627.29-55,100,291.70-21,592,912.79

Finding the Fourth Proportional to 39,927,627.29, 55,100,291.70 and 21,592,912.79

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Solution

The fourth proportional to 39,927,627.29, 55,100,291.70 and 21,592,912.79 is: 29,798,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,627.29 : 55,100,291.70 = 21,592,912.79 : x
  2. Step 2: Convert to fraction form
    39,927,627.29/55,100,291.70 = 21,592,912.79/x
  3. Step 3: Cross multiply
    39,927,627.29x = 55,100,291.70 × 21,592,912.79
  4. Step 4: Simplify right side
    39,927,627.29x = 1,189,775,792,998,194.75
  5. Step 5: Solve for x
    x = 1,189,775,792,998,194.75/39,927,627.29
  6. Step 6: Final answer
    x = 29,798,309.44

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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.