Home / 18,440,005.28-25,446,539.49-10,179,890.42

Finding the Fourth Proportional to 18,440,005.28, 25,446,539.49 and 10,179,890.42

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Solution

The fourth proportional to 18,440,005.28, 25,446,539.49 and 10,179,890.42 is: 14,047,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,005.28 : 25,446,539.49 = 10,179,890.42 : x
  2. Step 2: Convert to fraction form
    18,440,005.28/25,446,539.49 = 10,179,890.42/x
  3. Step 3: Cross multiply
    18,440,005.28x = 25,446,539.49 × 10,179,890.42
  4. Step 4: Simplify right side
    18,440,005.28x = 259,042,983,576,402.66
  5. Step 5: Solve for x
    x = 259,042,983,576,402.66/18,440,005.28
  6. Step 6: Final answer
    x = 14,047,880.12

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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.