Finding the Fourth Proportional to 19,388,012.96, 29,082,757.56 and 7,256,199.08
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Solution
The fourth proportional to 19,388,012.96, 29,082,757.56 and 7,256,199.08 is: 10,884,574.87
Step by Step Solution
- Step 1: Write the proportion equation
19,388,012.96 : 29,082,757.56 = 7,256,199.08 : x - Step 2: Convert to fraction form
19,388,012.96/29,082,757.56 = 7,256,199.08/x - Step 3: Cross multiply
19,388,012.96x = 29,082,757.56 × 7,256,199.08 - Step 4: Simplify right side
19,388,012.96x = 211,030,278,650,735.03 - Step 5: Solve for x
x = 211,030,278,650,735.03/19,388,012.96 - Step 6: Final answer
x = 10,884,574.87
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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.