Finding the Fourth Proportional to 28,820,416.14, 43,230,571.56 and 9,389,619.09
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Solution
The fourth proportional to 28,820,416.14, 43,230,571.56 and 9,389,619.09 is: 14,084,411.48
Step by Step Solution
- Step 1: Write the proportion equation
28,820,416.14 : 43,230,571.56 = 9,389,619.09 : x - Step 2: Convert to fraction form
28,820,416.14/43,230,571.56 = 9,389,619.09/x - Step 3: Cross multiply
28,820,416.14x = 43,230,571.56 × 9,389,619.09 - Step 4: Simplify right side
28,820,416.14x = 405,918,599,991,387.12 - Step 5: Solve for x
x = 405,918,599,991,387.12/28,820,416.14 - Step 6: Final answer
x = 14,084,411.48
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1.5x scale
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.