Finding the Fourth Proportional to 8,310,372.16, 11,468,324.64 and 4,689,037.12
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Solution
The fourth proportional to 8,310,372.16, 11,468,324.64 and 4,689,037.12 is: 6,470,877.47
Step by Step Solution
- Step 1: Write the proportion equation
8,310,372.16 : 11,468,324.64 = 4,689,037.12 : x - Step 2: Convert to fraction form
8,310,372.16/11,468,324.64 = 4,689,037.12/x - Step 3: Cross multiply
8,310,372.16x = 11,468,324.64 × 4,689,037.12 - Step 4: Simplify right side
8,310,372.16x = 53,775,399,941,170.64 - Step 5: Solve for x
x = 53,775,399,941,170.64/8,310,372.16 - Step 6: Final answer
x = 6,470,877.47
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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.