Finding the Fourth Proportional to 11,012,749.18, 16,519,449.66 and 5,256,089.44
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Solution
The fourth proportional to 11,012,749.18, 16,519,449.66 and 5,256,089.44 is: 7,884,289.69
Step by Step Solution
- Step 1: Write the proportion equation
11,012,749.18 : 16,519,449.66 = 5,256,089.44 : x - Step 2: Convert to fraction form
11,012,749.18/16,519,449.66 = 5,256,089.44/x - Step 3: Cross multiply
11,012,749.18x = 16,519,449.66 × 5,256,089.44 - Step 4: Simplify right side
11,012,749.18x = 86,827,704,851,528.62 - Step 5: Solve for x
x = 86,827,704,851,528.62/11,012,749.18 - Step 6: Final answer
x = 7,884,289.69
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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.