Finding the Fourth Proportional to 19,894,481.70, 29,841,720.81 and 5,517,549.18
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Solution
The fourth proportional to 19,894,481.70, 29,841,720.81 and 5,517,549.18 is: 8,276,323.29
Step by Step Solution
- Step 1: Write the proportion equation
19,894,481.70 : 29,841,720.81 = 5,517,549.18 : x - Step 2: Convert to fraction form
19,894,481.70/29,841,720.81 = 5,517,549.18/x - Step 3: Cross multiply
19,894,481.70x = 29,841,720.81 × 5,517,549.18 - Step 4: Simplify right side
19,894,481.70x = 164,653,162,185,004.41 - Step 5: Solve for x
x = 164,653,162,185,004.41/19,894,481.70 - Step 6: Final answer
x = 8,276,323.29
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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.