Finding the Fourth Proportional to 38,564,759.36, 57,816,702.13 and 19,120,578.82
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Solution
The fourth proportional to 38,564,759.36, 57,816,702.13 and 19,120,578.82 is: 28,665,777.47
Step by Step Solution
- Step 1: Write the proportion equation
38,564,759.36 : 57,816,702.13 = 19,120,578.82 : x - Step 2: Convert to fraction form
38,564,759.36/57,816,702.13 = 19,120,578.82/x - Step 3: Cross multiply
38,564,759.36x = 57,816,702.13 × 19,120,578.82 - Step 4: Simplify right side
38,564,759.36x = 1,105,488,810,189,127 - Step 5: Solve for x
x = 1,105,488,810,189,127/38,564,759.36 - Step 6: Final answer
x = 28,665,777.47
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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.