Home / 9,219,414.60-12,722,458.71-5,089,357.07

Finding the Fourth Proportional to 9,219,414.60, 12,722,458.71 and 5,089,357.07

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Solution

The fourth proportional to 9,219,414.60, 12,722,458.71 and 5,089,357.07 is: 7,023,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,414.60 : 12,722,458.71 = 5,089,357.07 : x
  2. Step 2: Convert to fraction form
    9,219,414.60/12,722,458.71 = 5,089,357.07/x
  3. Step 3: Cross multiply
    9,219,414.60x = 12,722,458.71 × 5,089,357.07
  4. Step 4: Simplify right side
    9,219,414.60x = 64,749,135,183,521.59
  5. Step 5: Solve for x
    x = 64,749,135,183,521.59/9,219,414.60
  6. Step 6: Final answer
    x = 7,023,128.69

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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.