Home / 13,018,942.42-19,531,660.77-9,188,247.56

Finding the Fourth Proportional to 13,018,942.42, 19,531,660.77 and 9,188,247.56

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Solution

The fourth proportional to 13,018,942.42, 19,531,660.77 and 9,188,247.56 is: 13,784,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018,942.42 : 19,531,660.77 = 9,188,247.56 : x
  2. Step 2: Convert to fraction form
    13,018,942.42/19,531,660.77 = 9,188,247.56/x
  3. Step 3: Cross multiply
    13,018,942.42x = 19,531,660.77 × 9,188,247.56
  4. Step 4: Simplify right side
    13,018,942.42x = 179,461,734,315,041.91
  5. Step 5: Solve for x
    x = 179,461,734,315,041.91/13,018,942.42
  6. Step 6: Final answer
    x = 13,784,663.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.