Home / 13,781,759.91-20,671,062.48-3,685,168.23

Finding the Fourth Proportional to 13,781,759.91, 20,671,062.48 and 3,685,168.23

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Solution

The fourth proportional to 13,781,759.91, 20,671,062.48 and 3,685,168.23 is: 5,527,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,759.91 : 20,671,062.48 = 3,685,168.23 : x
  2. Step 2: Convert to fraction form
    13,781,759.91/20,671,062.48 = 3,685,168.23/x
  3. Step 3: Cross multiply
    13,781,759.91x = 20,671,062.48 × 3,685,168.23
  4. Step 4: Simplify right side
    13,781,759.91x = 76,176,342,731,641.02
  5. Step 5: Solve for x
    x = 76,176,342,731,641.02/13,781,759.91
  6. Step 6: Final answer
    x = 5,527,330.56

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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.