Home / 13,821,052.70-19,072,922.55-7,626,155.42

Finding the Fourth Proportional to 13,821,052.70, 19,072,922.55 and 7,626,155.42

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Solution

The fourth proportional to 13,821,052.70, 19,072,922.55 and 7,626,155.42 is: 10,524,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,052.70 : 19,072,922.55 = 7,626,155.42 : x
  2. Step 2: Convert to fraction form
    13,821,052.70/19,072,922.55 = 7,626,155.42/x
  3. Step 3: Cross multiply
    13,821,052.70x = 19,072,922.55 × 7,626,155.42
  4. Step 4: Simplify right side
    13,821,052.70x = 145,453,071,679,922.72
  5. Step 5: Solve for x
    x = 145,453,071,679,922.72/13,821,052.70
  6. Step 6: Final answer
    x = 10,524,022.65

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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.