Home / 15,420,801.60-23,131,202.40-11,837,620.80

Finding the Fourth Proportional to 15,420,801.60, 23,131,202.40 and 11,837,620.80

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Solution

The fourth proportional to 15,420,801.60, 23,131,202.40 and 11,837,620.80 is: 17,756,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,801.60 : 23,131,202.40 = 11,837,620.80 : x
  2. Step 2: Convert to fraction form
    15,420,801.60/23,131,202.40 = 11,837,620.80/x
  3. Step 3: Cross multiply
    15,420,801.60x = 23,131,202.40 × 11,837,620.80
  4. Step 4: Simplify right side
    15,420,801.60x = 273,818,402,659,249.91
  5. Step 5: Solve for x
    x = 273,818,402,659,249.91/15,420,801.60
  6. Step 6: Final answer
    x = 17,756,431.20

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1.5x scale

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.