Finding the Fourth Proportional to 11,859,690.14, 16,332,428.58 and 11,120,682.62
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Solution
The fourth proportional to 11,859,690.14, 16,332,428.58 and 11,120,682.62 is: 15,314,713.33
Step by Step Solution
- Step 1: Write the proportion equation
11,859,690.14 : 16,332,428.58 = 11,120,682.62 : x - Step 2: Convert to fraction form
11,859,690.14/16,332,428.58 = 11,120,682.62/x - Step 3: Cross multiply
11,859,690.14x = 16,332,428.58 × 11,120,682.62 - Step 4: Simplify right side
11,859,690.14x = 181,627,754,651,997.28 - Step 5: Solve for x
x = 181,627,754,651,997.28/11,859,690.14 - Step 6: Final answer
x = 15,314,713.33
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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.