Finding the Fourth Proportional to 30,982,372.29, 46,431,042.67 and 19,602,449.09
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Solution
The fourth proportional to 30,982,372.29, 46,431,042.67 and 19,602,449.09 is: 29,376,774.04
Step by Step Solution
- Step 1: Write the proportion equation
30,982,372.29 : 46,431,042.67 = 19,602,449.09 : x - Step 2: Convert to fraction form
30,982,372.29/46,431,042.67 = 19,602,449.09/x - Step 3: Cross multiply
30,982,372.29x = 46,431,042.67 × 19,602,449.09 - Step 4: Simplify right side
30,982,372.29x = 910,162,150,134,292.75 - Step 5: Solve for x
x = 910,162,150,134,292.75/30,982,372.29 - Step 6: Final answer
x = 29,376,774.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.