Finding the Fourth Proportional to 11,221,978.08, 16,806,247.36 and 7,165,902.24
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Solution
The fourth proportional to 11,221,978.08, 16,806,247.36 and 7,165,902.24 is: 10,731,791.20
Step by Step Solution
- Step 1: Write the proportion equation
11,221,978.08 : 16,806,247.36 = 7,165,902.24 : x - Step 2: Convert to fraction form
11,221,978.08/16,806,247.36 = 7,165,902.24/x - Step 3: Cross multiply
11,221,978.08x = 16,806,247.36 × 7,165,902.24 - Step 4: Simplify right side
11,221,978.08x = 120,431,925,603,018.08 - Step 5: Solve for x
x = 120,431,925,603,018.08/11,221,978.08 - Step 6: Final answer
x = 10,731,791.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.