Home / 19,928,999.52-27,504,050.85-12,199,150.08

Finding the Fourth Proportional to 19,928,999.52, 27,504,050.85 and 12,199,150.08

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Solution

The fourth proportional to 19,928,999.52, 27,504,050.85 and 12,199,150.08 is: 16,836,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,999.52 : 27,504,050.85 = 12,199,150.08 : x
  2. Step 2: Convert to fraction form
    19,928,999.52/27,504,050.85 = 12,199,150.08/x
  3. Step 3: Cross multiply
    19,928,999.52x = 27,504,050.85 × 12,199,150.08
  4. Step 4: Simplify right side
    19,928,999.52x = 335,526,044,127,101.56
  5. Step 5: Solve for x
    x = 335,526,044,127,101.56/19,928,999.52
  6. Step 6: Final answer
    x = 16,836,070.66

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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.