Home / 28,821,751.26-39,770,088.58-17,216,851.30

Finding the Fourth Proportional to 28,821,751.26, 39,770,088.58 and 17,216,851.30

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Solution

The fourth proportional to 28,821,751.26, 39,770,088.58 and 17,216,851.30 is: 23,756,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,751.26 : 39,770,088.58 = 17,216,851.30 : x
  2. Step 2: Convert to fraction form
    28,821,751.26/39,770,088.58 = 17,216,851.30/x
  3. Step 3: Cross multiply
    28,821,751.26x = 39,770,088.58 × 17,216,851.30
  4. Step 4: Simplify right side
    28,821,751.26x = 684,715,701,269,688.12
  5. Step 5: Solve for x
    x = 684,715,701,269,688.12/28,821,751.26
  6. Step 6: Final answer
    x = 23,756,908.28

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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.