Home / 21,751,621.95-30,016,551.23-11,962,035.86

Finding the Fourth Proportional to 21,751,621.95, 30,016,551.23 and 11,962,035.86

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Solution

The fourth proportional to 21,751,621.95, 30,016,551.23 and 11,962,035.86 is: 16,507,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,621.95 : 30,016,551.23 = 11,962,035.86 : x
  2. Step 2: Convert to fraction form
    21,751,621.95/30,016,551.23 = 11,962,035.86/x
  3. Step 3: Cross multiply
    21,751,621.95x = 30,016,551.23 × 11,962,035.86
  4. Step 4: Simplify right side
    21,751,621.95x = 359,059,062,222,018.38
  5. Step 5: Solve for x
    x = 359,059,062,222,018.38/21,751,621.95
  6. Step 6: Final answer
    x = 16,507,231.65

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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.