Finding the Fourth Proportional to 18,414,883.44, 27,626,371.11 and 5,636,373.66
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Solution
The fourth proportional to 18,414,883.44, 27,626,371.11 and 5,636,373.66 is: 8,455,798.86
Step by Step Solution
- Step 1: Write the proportion equation
18,414,883.44 : 27,626,371.11 = 5,636,373.66 : x - Step 2: Convert to fraction form
18,414,883.44/27,626,371.11 = 5,636,373.66/x - Step 3: Cross multiply
18,414,883.44x = 27,626,371.11 × 5,636,373.66 - Step 4: Simplify right side
18,414,883.44x = 155,712,550,445,788.97 - Step 5: Solve for x
x = 155,712,550,445,788.97/18,414,883.44 - Step 6: Final answer
x = 8,455,798.86
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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.