Home / 19,928,990.52-27,504,038.43-12,199,141.08

Finding the Fourth Proportional to 19,928,990.52, 27,504,038.43 and 12,199,141.08

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Solution

The fourth proportional to 19,928,990.52, 27,504,038.43 and 12,199,141.08 is: 16,836,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,990.52 : 27,504,038.43 = 12,199,141.08 : x
  2. Step 2: Convert to fraction form
    19,928,990.52/27,504,038.43 = 12,199,141.08/x
  3. Step 3: Cross multiply
    19,928,990.52x = 27,504,038.43 × 12,199,141.08
  4. Step 4: Simplify right side
    19,928,990.52x = 335,525,645,077,311.69
  5. Step 5: Solve for x
    x = 335,525,645,077,311.69/19,928,990.52
  6. Step 6: Final answer
    x = 16,836,058.24

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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.