Home / 13,781,763.16-20,671,067.35-3,685,171.48

Finding the Fourth Proportional to 13,781,763.16, 20,671,067.35 and 3,685,171.48

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Solution

The fourth proportional to 13,781,763.16, 20,671,067.35 and 3,685,171.48 is: 5,527,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,763.16 : 20,671,067.35 = 3,685,171.48 : x
  2. Step 2: Convert to fraction form
    13,781,763.16/20,671,067.35 = 3,685,171.48/x
  3. Step 3: Cross multiply
    13,781,763.16x = 20,671,067.35 × 3,685,171.48
  4. Step 4: Simplify right side
    13,781,763.16x = 76,176,427,859,379.19
  5. Step 5: Solve for x
    x = 76,176,427,859,379.19/13,781,763.16
  6. Step 6: Final answer
    x = 5,527,335.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.