Home / 13,821,046.20-19,072,913.58-7,626,148.92

Finding the Fourth Proportional to 13,821,046.20, 19,072,913.58 and 7,626,148.92

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Solution

The fourth proportional to 13,821,046.20, 19,072,913.58 and 7,626,148.92 is: 10,524,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,046.20 : 19,072,913.58 = 7,626,148.92 : x
  2. Step 2: Convert to fraction form
    13,821,046.20/19,072,913.58 = 7,626,148.92/x
  3. Step 3: Cross multiply
    13,821,046.20x = 19,072,913.58 × 7,626,148.92
  4. Step 4: Simplify right side
    13,821,046.20x = 145,452,879,299,370.31
  5. Step 5: Solve for x
    x = 145,452,879,299,370.31/13,821,046.20
  6. Step 6: Final answer
    x = 10,524,013.68

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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.