Home / 15,279,922-21,089,287.74-8,757,922.83

Finding the Fourth Proportional to 15,279,922, 21,089,287.74 and 8,757,922.83

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Solution

The fourth proportional to 15,279,922, 21,089,287.74 and 8,757,922.83 is: 12,087,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,922 : 21,089,287.74 = 8,757,922.83 : x
  2. Step 2: Convert to fraction form
    15,279,922/21,089,287.74 = 8,757,922.83/x
  3. Step 3: Cross multiply
    15,279,922x = 21,089,287.74 × 8,757,922.83
  4. Step 4: Simplify right side
    15,279,922x = 184,698,354,566,585.09
  5. Step 5: Solve for x
    x = 184,698,354,566,585.09/15,279,922
  6. Step 6: Final answer
    x = 12,087,650.35

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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.