Home / 13,105,421.46-19,656,803.57-3,519,554.42

Finding the Fourth Proportional to 13,105,421.46, 19,656,803.57 and 3,519,554.42

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Solution

The fourth proportional to 13,105,421.46, 19,656,803.57 and 3,519,554.42 is: 5,278,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,421.46 : 19,656,803.57 = 3,519,554.42 : x
  2. Step 2: Convert to fraction form
    13,105,421.46/19,656,803.57 = 3,519,554.42/x
  3. Step 3: Cross multiply
    13,105,421.46x = 19,656,803.57 × 3,519,554.42
  4. Step 4: Simplify right side
    13,105,421.46x = 69,183,189,919,409.52
  5. Step 5: Solve for x
    x = 69,183,189,919,409.52/13,105,421.46
  6. Step 6: Final answer
    x = 5,278,974.82

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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.