Finding the Fourth Proportional to 30,387,318.74, 41,892,825.37 and 19,218,244.99
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Solution
The fourth proportional to 30,387,318.74, 41,892,825.37 and 19,218,244.99 is: 26,494,821.34
Step by Step Solution
- Step 1: Write the proportion equation
30,387,318.74 : 41,892,825.37 = 19,218,244.99 : x - Step 2: Convert to fraction form
30,387,318.74/41,892,825.37 = 19,218,244.99/x - Step 3: Cross multiply
30,387,318.74x = 41,892,825.37 × 19,218,244.99 - Step 4: Simplify right side
30,387,318.74x = 805,106,581,189,908.88 - Step 5: Solve for x
x = 805,106,581,189,908.88/30,387,318.74 - Step 6: Final answer
x = 26,494,821.34
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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.