Home / 13,821,044.70-19,072,911.51-7,626,147.42

Finding the Fourth Proportional to 13,821,044.70, 19,072,911.51 and 7,626,147.42

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Solution

The fourth proportional to 13,821,044.70, 19,072,911.51 and 7,626,147.42 is: 10,524,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,044.70 : 19,072,911.51 = 7,626,147.42 : x
  2. Step 2: Convert to fraction form
    13,821,044.70/19,072,911.51 = 7,626,147.42/x
  3. Step 3: Cross multiply
    13,821,044.70x = 19,072,911.51 × 7,626,147.42
  4. Step 4: Simplify right side
    13,821,044.70x = 145,452,834,903,874.81
  5. Step 5: Solve for x
    x = 145,452,834,903,874.81/13,821,044.70
  6. Step 6: Final answer
    x = 10,524,011.61

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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.