Finding the Fourth Proportional to 11,181,745.08, 15,421,247.40 and 7,702,636.32
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Solution
The fourth proportional to 11,181,745.08, 15,421,247.40 and 7,702,636.32 is: 10,623,052.08
Step by Step Solution
- Step 1: Write the proportion equation
11,181,745.08 : 15,421,247.40 = 7,702,636.32 : x - Step 2: Convert to fraction form
11,181,745.08/15,421,247.40 = 7,702,636.32/x - Step 3: Cross multiply
11,181,745.08x = 15,421,247.40 × 7,702,636.32 - Step 4: Simplify right side
11,181,745.08x = 118,784,260,322,945.58 - Step 5: Solve for x
x = 118,784,260,322,945.58/11,181,745.08 - Step 6: Final answer
x = 10,623,052.08
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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.