Home / 29,364,438.79-40,491,331.54-18,347,163.85

Finding the Fourth Proportional to 29,364,438.79, 40,491,331.54 and 18,347,163.85

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Solution

The fourth proportional to 29,364,438.79, 40,491,331.54 and 18,347,163.85 is: 25,299,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364,438.79 : 40,491,331.54 = 18,347,163.85 : x
  2. Step 2: Convert to fraction form
    29,364,438.79/40,491,331.54 = 18,347,163.85/x
  3. Step 3: Cross multiply
    29,364,438.79x = 40,491,331.54 × 18,347,163.85
  4. Step 4: Simplify right side
    29,364,438.79x = 742,901,094,269,052.88
  5. Step 5: Solve for x
    x = 742,901,094,269,052.88/29,364,438.79
  6. Step 6: Final answer
    x = 25,299,345.91

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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.