Home / 20,188,840.41-27,860,458.03-11,021,483.16

Finding the Fourth Proportional to 20,188,840.41, 27,860,458.03 and 11,021,483.16

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Solution

The fourth proportional to 20,188,840.41, 27,860,458.03 and 11,021,483.16 is: 15,209,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,840.41 : 27,860,458.03 = 11,021,483.16 : x
  2. Step 2: Convert to fraction form
    20,188,840.41/27,860,458.03 = 11,021,483.16/x
  3. Step 3: Cross multiply
    20,188,840.41x = 27,860,458.03 × 11,021,483.16
  4. Step 4: Simplify right side
    20,188,840.41x = 307,063,568,868,229.50
  5. Step 5: Solve for x
    x = 307,063,568,868,229.50/20,188,840.41
  6. Step 6: Final answer
    x = 15,209,569.38

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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.