Finding the Fourth Proportional to 13,313,455.36, 19,970,752.67 and 5,228,180.25
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Solution
The fourth proportional to 13,313,455.36, 19,970,752.67 and 5,228,180.25 is: 7,842,494.06
Step by Step Solution
- Step 1: Write the proportion equation
13,313,455.36 : 19,970,752.67 = 5,228,180.25 : x - Step 2: Convert to fraction form
13,313,455.36/19,970,752.67 = 5,228,180.25/x - Step 3: Cross multiply
13,313,455.36x = 19,970,752.67 × 5,228,180.25 - Step 4: Simplify right side
13,313,455.36x = 104,410,694,605,503.22 - Step 5: Solve for x
x = 104,410,694,605,503.22/13,313,455.36 - Step 6: Final answer
x = 7,842,494.06
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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.