Home / 22,764,850.32-31,414,698.14-12,978,446.32

Finding the Fourth Proportional to 22,764,850.32, 31,414,698.14 and 12,978,446.32

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Solution

The fourth proportional to 22,764,850.32, 31,414,698.14 and 12,978,446.32 is: 17,909,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764,850.32 : 31,414,698.14 = 12,978,446.32 : x
  2. Step 2: Convert to fraction form
    22,764,850.32/31,414,698.14 = 12,978,446.32/x
  3. Step 3: Cross multiply
    22,764,850.32x = 31,414,698.14 × 12,978,446.32
  4. Step 4: Simplify right side
    22,764,850.32x = 407,713,973,468,993.88
  5. Step 5: Solve for x
    x = 407,713,973,468,993.88/22,764,850.32
  6. Step 6: Final answer
    x = 17,909,802.51

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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.