Home / 20,433,273.37-28,198,137.23-11,140,767.48

Finding the Fourth Proportional to 20,433,273.37, 28,198,137.23 and 11,140,767.48

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Solution

The fourth proportional to 20,433,273.37, 28,198,137.23 and 11,140,767.48 is: 15,374,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,273.37 : 28,198,137.23 = 11,140,767.48 : x
  2. Step 2: Convert to fraction form
    20,433,273.37/28,198,137.23 = 11,140,767.48/x
  3. Step 3: Cross multiply
    20,433,273.37x = 28,198,137.23 × 11,140,767.48
  4. Step 4: Simplify right side
    20,433,273.37x = 314,148,890,248,561.31
  5. Step 5: Solve for x
    x = 314,148,890,248,561.31/20,433,273.37
  6. Step 6: Final answer
    x = 15,374,379.06

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1.5x scale

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.