Finding the Fourth Proportional to 8,299,581.02, 11,453,399.18 and 4,628,501.50
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Solution
The fourth proportional to 8,299,581.02, 11,453,399.18 and 4,628,501.50 is: 6,387,319.45
Step by Step Solution
- Step 1: Write the proportion equation
8,299,581.02 : 11,453,399.18 = 4,628,501.50 : x - Step 2: Convert to fraction form
8,299,581.02/11,453,399.18 = 4,628,501.50/x - Step 3: Cross multiply
8,299,581.02x = 11,453,399.18 × 4,628,501.50 - Step 4: Simplify right side
8,299,581.02x = 53,012,075,284,728.77 - Step 5: Solve for x
x = 53,012,075,284,728.77/8,299,581.02 - Step 6: Final answer
x = 6,387,319.45
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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.