Finding the Fourth Proportional to 19,318,329.44, 28,939,631.52 and 11,214,311.84
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Solution
The fourth proportional to 19,318,329.44, 28,939,631.52 and 11,214,311.84 is: 16,799,488.46
Step by Step Solution
- Step 1: Write the proportion equation
19,318,329.44 : 28,939,631.52 = 11,214,311.84 : x - Step 2: Convert to fraction form
19,318,329.44/28,939,631.52 = 11,214,311.84/x - Step 3: Cross multiply
19,318,329.44x = 28,939,631.52 × 11,214,311.84 - Step 4: Simplify right side
19,318,329.44x = 324,538,052,399,973.19 - Step 5: Solve for x
x = 324,538,052,399,973.19/19,318,329.44 - Step 6: Final answer
x = 16,799,488.46
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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.