Finding the Fourth Proportional to 47,985,759.99, 71,981,631.18 and 19,228,158.81
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Solution
The fourth proportional to 47,985,759.99, 71,981,631.18 and 19,228,158.81 is: 28,843,436.80
Step by Step Solution
- Step 1: Write the proportion equation
47,985,759.99 : 71,981,631.18 = 19,228,158.81 : x - Step 2: Convert to fraction form
47,985,759.99/71,981,631.18 = 19,228,158.81/x - Step 3: Cross multiply
47,985,759.99x = 71,981,631.18 × 19,228,158.81 - Step 4: Simplify right side
47,985,759.99x = 1,384,074,235,731,887.75 - Step 5: Solve for x
x = 1,384,074,235,731,887.75/47,985,759.99 - Step 6: Final answer
x = 28,843,436.80
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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.