Finding the Fourth Proportional to 11,251,465.88, 15,526,702.14 and 6,605,176.20
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Solution
The fourth proportional to 11,251,465.88, 15,526,702.14 and 6,605,176.20 is: 9,114,954.85
Step by Step Solution
- Step 1: Write the proportion equation
11,251,465.88 : 15,526,702.14 = 6,605,176.20 : x - Step 2: Convert to fraction form
11,251,465.88/15,526,702.14 = 6,605,176.20/x - Step 3: Cross multiply
11,251,465.88x = 15,526,702.14 × 6,605,176.20 - Step 4: Simplify right side
11,251,465.88x = 102,556,603,439,617.08 - Step 5: Solve for x
x = 102,556,603,439,617.08/11,251,465.88 - Step 6: Final answer
x = 9,114,954.85
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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.