Home / 7,879,688.64-11,818,646.82-2,122,847.73

Finding the Fourth Proportional to 7,879,688.64, 11,818,646.82 and 2,122,847.73

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Solution

The fourth proportional to 7,879,688.64, 11,818,646.82 and 2,122,847.73 is: 3,184,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,688.64 : 11,818,646.82 = 2,122,847.73 : x
  2. Step 2: Convert to fraction form
    7,879,688.64/11,818,646.82 = 2,122,847.73/x
  3. Step 3: Cross multiply
    7,879,688.64x = 11,818,646.82 × 2,122,847.73
  4. Step 4: Simplify right side
    7,879,688.64x = 25,089,187,573,508.72
  5. Step 5: Solve for x
    x = 25,089,187,573,508.72/7,879,688.64
  6. Step 6: Final answer
    x = 3,184,032.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.