Finding the Fourth Proportional to 19,125,773.55, 26,394,183.99 and 10,865,685.56
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Solution
The fourth proportional to 19,125,773.55, 26,394,183.99 and 10,865,685.56 is: 14,994,996.31
Step by Step Solution
- Step 1: Write the proportion equation
19,125,773.55 : 26,394,183.99 = 10,865,685.56 : x - Step 2: Convert to fraction form
19,125,773.55/26,394,183.99 = 10,865,685.56/x - Step 3: Cross multiply
19,125,773.55x = 26,394,183.99 × 10,865,685.56 - Step 4: Simplify right side
19,125,773.55x = 286,790,903,716,155.25 - Step 5: Solve for x
x = 286,790,903,716,155.25/19,125,773.55 - Step 6: Final answer
x = 14,994,996.31
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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.