Home / 23,132,675.80-31,923,280.38-12,819,568.60

Finding the Fourth Proportional to 23,132,675.80, 31,923,280.38 and 12,819,568.60

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Solution

The fourth proportional to 23,132,675.80, 31,923,280.38 and 12,819,568.60 is: 17,691,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132,675.80 : 31,923,280.38 = 12,819,568.60 : x
  2. Step 2: Convert to fraction form
    23,132,675.80/31,923,280.38 = 12,819,568.60/x
  3. Step 3: Cross multiply
    23,132,675.80x = 31,923,280.38 × 12,819,568.60
  4. Step 4: Simplify right side
    23,132,675.80x = 409,242,682,768,444.06
  5. Step 5: Solve for x
    x = 409,242,682,768,444.06/23,132,675.80
  6. Step 6: Final answer
    x = 17,691,108.73

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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.