Finding the Fourth Proportional to 5,161,102.76, 7,702,986.08 and 5,075,963.12
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Solution
The fourth proportional to 5,161,102.76, 7,702,986.08 and 5,075,963.12 is: 7,575,914.50
Step by Step Solution
- Step 1: Write the proportion equation
5,161,102.76 : 7,702,986.08 = 5,075,963.12 : x - Step 2: Convert to fraction form
5,161,102.76/7,702,986.08 = 5,075,963.12/x - Step 3: Cross multiply
5,161,102.76x = 7,702,986.08 × 5,075,963.12 - Step 4: Simplify right side
5,161,102.76x = 39,100,073,255,953.37 - Step 5: Solve for x
x = 39,100,073,255,953.37/5,161,102.76 - Step 6: Final answer
x = 7,575,914.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.