Home / 27,842,523.77-38,422,945.01-15,619,643.21

Finding the Fourth Proportional to 27,842,523.77, 38,422,945.01 and 15,619,643.21

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Solution

The fourth proportional to 27,842,523.77, 38,422,945.01 and 15,619,643.21 is: 21,555,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842,523.77 : 38,422,945.01 = 15,619,643.21 : x
  2. Step 2: Convert to fraction form
    27,842,523.77/38,422,945.01 = 15,619,643.21/x
  3. Step 3: Cross multiply
    27,842,523.77x = 38,422,945.01 × 15,619,643.21
  4. Step 4: Simplify right side
    27,842,523.77x = 600,152,692,055,551.75
  5. Step 5: Solve for x
    x = 600,152,692,055,551.75/27,842,523.77
  6. Step 6: Final answer
    x = 21,555,254.73

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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.