Home / 20,036,161.69-27,649,911.95-11,334,148.09

Finding the Fourth Proportional to 20,036,161.69, 27,649,911.95 and 11,334,148.09

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Solution

The fourth proportional to 20,036,161.69, 27,649,911.95 and 11,334,148.09 is: 15,641,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,161.69 : 27,649,911.95 = 11,334,148.09 : x
  2. Step 2: Convert to fraction form
    20,036,161.69/27,649,911.95 = 11,334,148.09/x
  3. Step 3: Cross multiply
    20,036,161.69x = 27,649,911.95 × 11,334,148.09
  4. Step 4: Simplify right side
    20,036,161.69x = 313,388,196,716,760.69
  5. Step 5: Solve for x
    x = 313,388,196,716,760.69/20,036,161.69
  6. Step 6: Final answer
    x = 15,641,129.35

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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.