Home / 21,184,739.92-31,772,380.92-9,823,712.32

Finding the Fourth Proportional to 21,184,739.92, 31,772,380.92 and 9,823,712.32

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Solution

The fourth proportional to 21,184,739.92, 31,772,380.92 and 9,823,712.32 is: 14,733,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184,739.92 : 31,772,380.92 = 9,823,712.32 : x
  2. Step 2: Convert to fraction form
    21,184,739.92/31,772,380.92 = 9,823,712.32/x
  3. Step 3: Cross multiply
    21,184,739.92x = 31,772,380.92 × 9,823,712.32
  4. Step 4: Simplify right side
    21,184,739.92x = 312,122,729,879,536.94
  5. Step 5: Solve for x
    x = 312,122,729,879,536.94/21,184,739.92
  6. Step 6: Final answer
    x = 14,733,375.58

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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.