Finding the Fourth Proportional to 13,455,078.08, 20,184,614.24 and 4,354,125.12
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Solution
The fourth proportional to 13,455,078.08, 20,184,614.24 and 4,354,125.12 is: 6,531,833.96
Step by Step Solution
- Step 1: Write the proportion equation
13,455,078.08 : 20,184,614.24 = 4,354,125.12 : x - Step 2: Convert to fraction form
13,455,078.08/20,184,614.24 = 4,354,125.12/x - Step 3: Cross multiply
13,455,078.08x = 20,184,614.24 × 4,354,125.12 - Step 4: Simplify right side
13,455,078.08x = 87,886,335,899,893.70 - Step 5: Solve for x
x = 87,886,335,899,893.70/13,455,078.08 - Step 6: Final answer
x = 6,531,833.96
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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.