Home / 39,927,736.08-55,100,441.52-21,593,021.76

Finding the Fourth Proportional to 39,927,736.08, 55,100,441.52 and 21,593,021.76

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Solution

The fourth proportional to 39,927,736.08, 55,100,441.52 and 21,593,021.76 is: 29,798,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,736.08 : 55,100,441.52 = 21,593,021.76 : x
  2. Step 2: Convert to fraction form
    39,927,736.08/55,100,441.52 = 21,593,021.76/x
  3. Step 3: Cross multiply
    39,927,736.08x = 55,100,441.52 × 21,593,021.76
  4. Step 4: Simplify right side
    39,927,736.08x = 1,189,785,032,726,967.75
  5. Step 5: Solve for x
    x = 1,189,785,032,726,967.75/39,927,736.08
  6. Step 6: Final answer
    x = 29,798,459.66

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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.