Home / 28,858,550.56-39,824,838.16-15,627,750.28

Finding the Fourth Proportional to 28,858,550.56, 39,824,838.16 and 15,627,750.28

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Solution

The fourth proportional to 28,858,550.56, 39,824,838.16 and 15,627,750.28 is: 21,566,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,550.56 : 39,824,838.16 = 15,627,750.28 : x
  2. Step 2: Convert to fraction form
    28,858,550.56/39,824,838.16 = 15,627,750.28/x
  3. Step 3: Cross multiply
    28,858,550.56x = 39,824,838.16 × 15,627,750.28
  4. Step 4: Simplify right side
    28,858,550.56x = 622,372,625,567,263.25
  5. Step 5: Solve for x
    x = 622,372,625,567,263.25/28,858,550.56
  6. Step 6: Final answer
    x = 21,566,316.17

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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.