Finding the Fourth Proportional to 18,346,948.54, 27,520,589.67 and 5,567,453.80
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Solution
The fourth proportional to 18,346,948.54, 27,520,589.67 and 5,567,453.80 is: 8,351,231.33
Step by Step Solution
- Step 1: Write the proportion equation
18,346,948.54 : 27,520,589.67 = 5,567,453.80 : x - Step 2: Convert to fraction form
18,346,948.54/27,520,589.67 = 5,567,453.80/x - Step 3: Cross multiply
18,346,948.54x = 27,520,589.67 × 5,567,453.80 - Step 4: Simplify right side
18,346,948.54x = 153,219,611,536,482.25 - Step 5: Solve for x
x = 153,219,611,536,482.25/18,346,948.54 - Step 6: Final answer
x = 8,351,231.33
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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.