Home / 28,463,036.60-39,278,514.12-15,410,189.54

Finding the Fourth Proportional to 28,463,036.60, 39,278,514.12 and 15,410,189.54

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Solution

The fourth proportional to 28,463,036.60, 39,278,514.12 and 15,410,189.54 is: 21,265,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,036.60 : 39,278,514.12 = 15,410,189.54 : x
  2. Step 2: Convert to fraction form
    28,463,036.60/39,278,514.12 = 15,410,189.54/x
  3. Step 3: Cross multiply
    28,463,036.60x = 39,278,514.12 × 15,410,189.54
  4. Step 4: Simplify right side
    28,463,036.60x = 605,289,347,438,766.25
  5. Step 5: Solve for x
    x = 605,289,347,438,766.25/28,463,036.60
  6. Step 6: Final answer
    x = 21,265,803.64

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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.