Finding the Fourth Proportional to 18,444,786.40, 27,671,326.80 and 5,665,880.80
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Solution
The fourth proportional to 18,444,786.40, 27,671,326.80 and 5,665,880.80 is: 8,500,095.14
Step by Step Solution
- Step 1: Write the proportion equation
18,444,786.40 : 27,671,326.80 = 5,665,880.80 : x - Step 2: Convert to fraction form
18,444,786.40/27,671,326.80 = 5,665,880.80/x - Step 3: Cross multiply
18,444,786.40x = 27,671,326.80 × 5,665,880.80 - Step 4: Simplify right side
18,444,786.40x = 156,782,439,226,645.44 - Step 5: Solve for x
x = 156,782,439,226,645.44/18,444,786.40 - Step 6: Final answer
x = 8,500,095.14
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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.