Home / 28,821,743.14-39,770,077.47-17,216,843.17

Finding the Fourth Proportional to 28,821,743.14, 39,770,077.47 and 17,216,843.17

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Solution

The fourth proportional to 28,821,743.14, 39,770,077.47 and 17,216,843.17 is: 23,756,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,743.14 : 39,770,077.47 = 17,216,843.17 : x
  2. Step 2: Convert to fraction form
    28,821,743.14/39,770,077.47 = 17,216,843.17/x
  3. Step 3: Cross multiply
    28,821,743.14x = 39,770,077.47 × 17,216,843.17
  4. Step 4: Simplify right side
    28,821,743.14x = 684,715,186,659,740.38
  5. Step 5: Solve for x
    x = 684,715,186,659,740.38/28,821,743.14
  6. Step 6: Final answer
    x = 23,756,897.12

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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.