Home / 21,932,858.97-30,269,376.41-12,143,303.32

Finding the Fourth Proportional to 21,932,858.97, 30,269,376.41 and 12,143,303.32

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Solution

The fourth proportional to 21,932,858.97, 30,269,376.41 and 12,143,303.32 is: 16,758,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,858.97 : 30,269,376.41 = 12,143,303.32 : x
  2. Step 2: Convert to fraction form
    21,932,858.97/30,269,376.41 = 12,143,303.32/x
  3. Step 3: Cross multiply
    21,932,858.97x = 30,269,376.41 × 12,143,303.32
  4. Step 4: Simplify right side
    21,932,858.97x = 367,570,219,053,882.69
  5. Step 5: Solve for x
    x = 367,570,219,053,882.69/21,932,858.97
  6. Step 6: Final answer
    x = 16,758,883.08

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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.