Finding the Fourth Proportional to 8,257,201.80, 12,385,802.70 and 6,131,437.80
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Solution
The fourth proportional to 8,257,201.80, 12,385,802.70 and 6,131,437.80 is: 9,197,156.70
Step by Step Solution
- Step 1: Write the proportion equation
8,257,201.80 : 12,385,802.70 = 6,131,437.80 : x - Step 2: Convert to fraction form
8,257,201.80/12,385,802.70 = 6,131,437.80/x - Step 3: Cross multiply
8,257,201.80x = 12,385,802.70 × 6,131,437.80 - Step 4: Simplify right side
8,257,201.80x = 75,942,778,858,122.05 - Step 5: Solve for x
x = 75,942,778,858,122.05/8,257,201.80 - Step 6: Final answer
x = 9,197,156.70
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Similar ratio
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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.