Home / 21,932,890.66-30,269,420.16-12,143,334.94

Finding the Fourth Proportional to 21,932,890.66, 30,269,420.16 and 12,143,334.94

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Solution

The fourth proportional to 21,932,890.66, 30,269,420.16 and 12,143,334.94 is: 16,758,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,890.66 : 30,269,420.16 = 12,143,334.94 : x
  2. Step 2: Convert to fraction form
    21,932,890.66/30,269,420.16 = 12,143,334.94/x
  3. Step 3: Cross multiply
    21,932,890.66x = 30,269,420.16 × 12,143,334.94
  4. Step 4: Simplify right side
    21,932,890.66x = 367,571,707,442,468.38
  5. Step 5: Solve for x
    x = 367,571,707,442,468.38/21,932,890.66
  6. Step 6: Final answer
    x = 16,758,926.73

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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.