Finding the Fourth Proportional to 8,285,959.98, 12,420,968.09 and 4,244,351.18
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Solution
The fourth proportional to 8,285,959.98, 12,420,968.09 and 4,244,351.18 is: 6,362,443.29
Step by Step Solution
- Step 1: Write the proportion equation
8,285,959.98 : 12,420,968.09 = 4,244,351.18 : x - Step 2: Convert to fraction form
8,285,959.98/12,420,968.09 = 4,244,351.18/x - Step 3: Cross multiply
8,285,959.98x = 12,420,968.09 × 4,244,351.18 - Step 4: Simplify right side
8,285,959.98x = 52,718,950,486,207.25 - Step 5: Solve for x
x = 52,718,950,486,207.25/8,285,959.98 - Step 6: Final answer
x = 6,362,443.29
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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.