Home / 13,855,586.33-19,120,378.74-7,744,583.45

Finding the Fourth Proportional to 13,855,586.33, 19,120,378.74 and 7,744,583.45

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Solution

The fourth proportional to 13,855,586.33, 19,120,378.74 and 7,744,583.45 is: 10,687,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,586.33 : 19,120,378.74 = 7,744,583.45 : x
  2. Step 2: Convert to fraction form
    13,855,586.33/19,120,378.74 = 7,744,583.45/x
  3. Step 3: Cross multiply
    13,855,586.33x = 19,120,378.74 × 7,744,583.45
  4. Step 4: Simplify right side
    13,855,586.33x = 148,079,368,747,535.84
  5. Step 5: Solve for x
    x = 148,079,368,747,535.84/13,855,586.33
  6. Step 6: Final answer
    x = 10,687,340.49

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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.