Finding the Fourth Proportional to 36,981,006.42, 55,479,075.28 and 12,716,782.09
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Solution
The fourth proportional to 36,981,006.42, 55,479,075.28 and 12,716,782.09 is: 19,077,774.76
Step by Step Solution
- Step 1: Write the proportion equation
36,981,006.42 : 55,479,075.28 = 12,716,782.09 : x - Step 2: Convert to fraction form
36,981,006.42/55,479,075.28 = 12,716,782.09/x - Step 3: Cross multiply
36,981,006.42x = 55,479,075.28 × 12,716,782.09 - Step 4: Simplify right side
36,981,006.42x = 705,515,310,890,465.75 - Step 5: Solve for x
x = 705,515,310,890,465.75/36,981,006.42 - Step 6: Final answer
x = 19,077,774.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.