Home / 30,628,413.56-45,899,273.44-16,987,564.28

Finding the Fourth Proportional to 30,628,413.56, 45,899,273.44 and 16,987,564.28

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Solution

The fourth proportional to 30,628,413.56, 45,899,273.44 and 16,987,564.28 is: 25,457,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628,413.56 : 45,899,273.44 = 16,987,564.28 : x
  2. Step 2: Convert to fraction form
    30,628,413.56/45,899,273.44 = 16,987,564.28/x
  3. Step 3: Cross multiply
    30,628,413.56x = 45,899,273.44 × 16,987,564.28
  4. Step 4: Simplify right side
    30,628,413.56x = 779,716,857,967,296.75
  5. Step 5: Solve for x
    x = 779,716,857,967,296.75/30,628,413.56
  6. Step 6: Final answer
    x = 25,457,304.75

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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.