Home / 21,932,889.66-30,269,418.78-12,143,333.94

Finding the Fourth Proportional to 21,932,889.66, 30,269,418.78 and 12,143,333.94

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Solution

The fourth proportional to 21,932,889.66, 30,269,418.78 and 12,143,333.94 is: 16,758,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,889.66 : 30,269,418.78 = 12,143,333.94 : x
  2. Step 2: Convert to fraction form
    21,932,889.66/30,269,418.78 = 12,143,333.94/x
  3. Step 3: Cross multiply
    21,932,889.66x = 30,269,418.78 × 12,143,333.94
  4. Step 4: Simplify right side
    21,932,889.66x = 367,571,660,415,247.38
  5. Step 5: Solve for x
    x = 367,571,660,415,247.38/21,932,889.66
  6. Step 6: Final answer
    x = 16,758,925.35

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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.