Finding the Fourth Proportional to 21,888,529.80, 32,832,794.70 and 6,747,102.60
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Solution
The fourth proportional to 21,888,529.80, 32,832,794.70 and 6,747,102.60 is: 10,120,653.90
Step by Step Solution
- Step 1: Write the proportion equation
21,888,529.80 : 32,832,794.70 = 6,747,102.60 : x - Step 2: Convert to fraction form
21,888,529.80/32,832,794.70 = 6,747,102.60/x - Step 3: Cross multiply
21,888,529.80x = 32,832,794.70 × 6,747,102.60 - Step 4: Simplify right side
21,888,529.80x = 221,526,234,485,636.19 - Step 5: Solve for x
x = 221,526,234,485,636.19/21,888,529.80 - Step 6: Final answer
x = 10,120,653.90
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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.