Finding the Fourth Proportional to 18,328,511.80, 27,492,767.70 and 6,361,247.80
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Solution
The fourth proportional to 18,328,511.80, 27,492,767.70 and 6,361,247.80 is: 9,541,871.70
Step by Step Solution
- Step 1: Write the proportion equation
18,328,511.80 : 27,492,767.70 = 6,361,247.80 : x - Step 2: Convert to fraction form
18,328,511.80/27,492,767.70 = 6,361,247.80/x - Step 3: Cross multiply
18,328,511.80x = 27,492,767.70 × 6,361,247.80 - Step 4: Simplify right side
18,328,511.80x = 174,888,308,047,536.06 - Step 5: Solve for x
x = 174,888,308,047,536.06/18,328,511.80 - Step 6: Final answer
x = 9,541,871.70
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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.