Finding the Fourth Proportional to 11,295,857.26, 15,588,385.47 and 6,139,231.18
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Solution
The fourth proportional to 11,295,857.26, 15,588,385.47 and 6,139,231.18 is: 8,472,194.71
Step by Step Solution
- Step 1: Write the proportion equation
11,295,857.26 : 15,588,385.47 = 6,139,231.18 : x - Step 2: Convert to fraction form
11,295,857.26/15,588,385.47 = 6,139,231.18/x - Step 3: Cross multiply
11,295,857.26x = 15,588,385.47 × 6,139,231.18 - Step 4: Simplify right side
11,295,857.26x = 95,700,702,123,282.95 - Step 5: Solve for x
x = 95,700,702,123,282.95/11,295,857.26 - Step 6: Final answer
x = 8,472,194.71
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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.