Finding the Fourth Proportional to 53,306,741.36, 79,964,991.78 and 14,967,997.13
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Solution
The fourth proportional to 53,306,741.36, 79,964,991.78 and 14,967,997.13 is: 22,453,365.88
Step by Step Solution
- Step 1: Write the proportion equation
53,306,741.36 : 79,964,991.78 = 14,967,997.13 : x - Step 2: Convert to fraction form
53,306,741.36/79,964,991.78 = 14,967,997.13/x - Step 3: Cross multiply
53,306,741.36x = 79,964,991.78 × 14,967,997.13 - Step 4: Simplify right side
53,306,741.36x = 1,196,915,767,463,513.75 - Step 5: Solve for x
x = 1,196,915,767,463,513.75/53,306,741.36 - Step 6: Final answer
x = 22,453,365.88
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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.