Home / 28,991,147.22-40,004,532.45-17,389,182.42

Finding the Fourth Proportional to 28,991,147.22, 40,004,532.45 and 17,389,182.42

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Solution

The fourth proportional to 28,991,147.22, 40,004,532.45 and 17,389,182.42 is: 23,995,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991,147.22 : 40,004,532.45 = 17,389,182.42 : x
  2. Step 2: Convert to fraction form
    28,991,147.22/40,004,532.45 = 17,389,182.42/x
  3. Step 3: Cross multiply
    28,991,147.22x = 40,004,532.45 × 17,389,182.42
  4. Step 4: Simplify right side
    28,991,147.22x = 695,646,112,399,859.62
  5. Step 5: Solve for x
    x = 695,646,112,399,859.62/28,991,147.22
  6. Step 6: Final answer
    x = 23,995,121.93

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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.