Finding the Fourth Proportional to 11,346,855.84, 15,658,023.33 and 6,453,268.38
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Solution
The fourth proportional to 11,346,855.84, 15,658,023.33 and 6,453,268.38 is: 8,905,147.67
Step by Step Solution
- Step 1: Write the proportion equation
11,346,855.84 : 15,658,023.33 = 6,453,268.38 : x - Step 2: Convert to fraction form
11,346,855.84/15,658,023.33 = 6,453,268.38/x - Step 3: Cross multiply
11,346,855.84x = 15,658,023.33 × 6,453,268.38 - Step 4: Simplify right side
11,346,855.84x = 101,045,426,848,791.30 - Step 5: Solve for x
x = 101,045,426,848,791.30/11,346,855.84 - Step 6: Final answer
x = 8,905,147.67
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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.