Finding the Fourth Proportional to 8,172,753.02, 11,278,399.14 and 4,736,986.96
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Solution
The fourth proportional to 8,172,753.02, 11,278,399.14 and 4,736,986.96 is: 6,537,041.99
Step by Step Solution
- Step 1: Write the proportion equation
8,172,753.02 : 11,278,399.14 = 4,736,986.96 : x - Step 2: Convert to fraction form
8,172,753.02/11,278,399.14 = 4,736,986.96/x - Step 3: Cross multiply
8,172,753.02x = 11,278,399.14 × 4,736,986.96 - Step 4: Simplify right side
8,172,753.02x = 53,425,629,655,855.22 - Step 5: Solve for x
x = 53,425,629,655,855.22/8,172,753.02 - Step 6: Final answer
x = 6,537,041.99
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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.