Finding the Fourth Proportional to 21,441,503.70, 32,148,037.62 and 7,793,029.62
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Solution
The fourth proportional to 21,441,503.70, 32,148,037.62 and 7,793,029.62 is: 11,684,376.85
Step by Step Solution
- Step 1: Write the proportion equation
21,441,503.70 : 32,148,037.62 = 7,793,029.62 : x - Step 2: Convert to fraction form
21,441,503.70/32,148,037.62 = 7,793,029.62/x - Step 3: Cross multiply
21,441,503.70x = 32,148,037.62 × 7,793,029.62 - Step 4: Simplify right side
21,441,503.70x = 250,530,609,397,534.31 - Step 5: Solve for x
x = 250,530,609,397,534.31/21,441,503.70 - Step 6: Final answer
x = 11,684,376.85
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1.5x scale
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.