Finding the Fourth Proportional to 7,368,519.28, 11,047,442.64 and 3,106,347.88
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Solution
The fourth proportional to 7,368,519.28, 11,047,442.64 and 3,106,347.88 is: 4,657,272.20
Step by Step Solution
- Step 1: Write the proportion equation
7,368,519.28 : 11,047,442.64 = 3,106,347.88 : x - Step 2: Convert to fraction form
7,368,519.28/11,047,442.64 = 3,106,347.88/x - Step 3: Cross multiply
7,368,519.28x = 11,047,442.64 × 3,106,347.88 - Step 4: Simplify right side
7,368,519.28x = 34,317,200,024,185.61 - Step 5: Solve for x
x = 34,317,200,024,185.61/7,368,519.28 - Step 6: Final answer
x = 4,657,272.20
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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.