Finding the Fourth Proportional to 21,074,478.14, 31,616,229.41 and 6,303,733.35
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Solution
The fourth proportional to 21,074,478.14, 31,616,229.41 and 6,303,733.35 is: 9,456,949.70
Step by Step Solution
- Step 1: Write the proportion equation
21,074,478.14 : 31,616,229.41 = 6,303,733.35 : x - Step 2: Convert to fraction form
21,074,478.14/31,616,229.41 = 6,303,733.35/x - Step 3: Cross multiply
21,074,478.14x = 31,616,229.41 × 6,303,733.35 - Step 4: Simplify right side
21,074,478.14x = 199,300,279,701,549.16 - Step 5: Solve for x
x = 199,300,279,701,549.16/21,074,478.14 - Step 6: Final answer
x = 9,456,949.70
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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.