Finding the Fourth Proportional to 10,505,509.92, 14,497,825.50 and 5,921,830.08
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Solution
The fourth proportional to 10,505,509.92, 14,497,825.50 and 5,921,830.08 is: 8,172,250.54
Step by Step Solution
- Step 1: Write the proportion equation
10,505,509.92 : 14,497,825.50 = 5,921,830.08 : x - Step 2: Convert to fraction form
10,505,509.92/14,497,825.50 = 5,921,830.08/x - Step 3: Cross multiply
10,505,509.92x = 14,497,825.50 × 5,921,830.08 - Step 4: Simplify right side
10,505,509.92x = 85,853,659,140,491.05 - Step 5: Solve for x
x = 85,853,659,140,491.05/10,505,509.92 - Step 6: Final answer
x = 8,172,250.54
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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.