Home / 20,433,061.60-28,197,845.24-11,140,556.04

Finding the Fourth Proportional to 20,433,061.60, 28,197,845.24 and 11,140,556.04

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Solution

The fourth proportional to 20,433,061.60, 28,197,845.24 and 11,140,556.04 is: 15,374,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,061.60 : 28,197,845.24 = 11,140,556.04 : x
  2. Step 2: Convert to fraction form
    20,433,061.60/28,197,845.24 = 11,140,556.04/x
  3. Step 3: Cross multiply
    20,433,061.60x = 28,197,845.24 × 11,140,556.04
  4. Step 4: Simplify right side
    20,433,061.60x = 314,139,675,103,467.19
  5. Step 5: Solve for x
    x = 314,139,675,103,467.19/20,433,061.60
  6. Step 6: Final answer
    x = 15,374,087.41

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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.