Home / 18,828,353.07-28,231,556.16-7,300,352.81

Finding the Fourth Proportional to 18,828,353.07, 28,231,556.16 and 7,300,352.81

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Solution

The fourth proportional to 18,828,353.07, 28,231,556.16 and 7,300,352.81 is: 10,946,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,353.07 : 28,231,556.16 = 7,300,352.81 : x
  2. Step 2: Convert to fraction form
    18,828,353.07/28,231,556.16 = 7,300,352.81/x
  3. Step 3: Cross multiply
    18,828,353.07x = 28,231,556.16 × 7,300,352.81
  4. Step 4: Simplify right side
    18,828,353.07x = 206,100,320,441,284.03
  5. Step 5: Solve for x
    x = 206,100,320,441,284.03/18,828,353.07
  6. Step 6: Final answer
    x = 10,946,274.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.