Finding the Fourth Proportional to 19,172,481, 28,759,311.99 and 8,384,228.70
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Solution
The fourth proportional to 19,172,481, 28,759,311.99 and 8,384,228.70 is: 12,576,601.27
Step by Step Solution
- Step 1: Write the proportion equation
19,172,481 : 28,759,311.99 = 8,384,228.70 : x - Step 2: Convert to fraction form
19,172,481/28,759,311.99 = 8,384,228.70/x - Step 3: Cross multiply
19,172,481x = 28,759,311.99 × 8,384,228.70 - Step 4: Simplify right side
19,172,481x = 241,124,648,978,812.09 - Step 5: Solve for x
x = 241,124,648,978,812.09/19,172,481 - Step 6: Final answer
x = 12,576,601.27
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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.