Finding the Fourth Proportional to 19,894,453.62, 29,841,678.80 and 5,517,521.26
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Solution
The fourth proportional to 19,894,453.62, 29,841,678.80 and 5,517,521.26 is: 8,276,281.44
Step by Step Solution
- Step 1: Write the proportion equation
19,894,453.62 : 29,841,678.80 = 5,517,521.26 : x - Step 2: Convert to fraction form
19,894,453.62/29,841,678.80 = 5,517,521.26/x - Step 3: Cross multiply
19,894,453.62x = 29,841,678.80 × 5,517,521.26 - Step 4: Simplify right side
19,894,453.62x = 164,652,097,213,091.28 - Step 5: Solve for x
x = 164,652,097,213,091.28/19,894,453.62 - Step 6: Final answer
x = 8,276,281.44
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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.