Finding the Fourth Proportional to 10,505,482.92, 14,497,788.24 and 5,921,803.08
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Solution
The fourth proportional to 10,505,482.92, 14,497,788.24 and 5,921,803.08 is: 8,172,213.28
Step by Step Solution
- Step 1: Write the proportion equation
10,505,482.92 : 14,497,788.24 = 5,921,803.08 : x - Step 2: Convert to fraction form
10,505,482.92/14,497,788.24 = 5,921,803.08/x - Step 3: Cross multiply
10,505,482.92x = 14,497,788.24 × 5,921,803.08 - Step 4: Simplify right side
10,505,482.92x = 85,853,047,052,819.78 - Step 5: Solve for x
x = 85,853,047,052,819.78/10,505,482.92 - Step 6: Final answer
x = 8,172,213.28
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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.