Finding the Fourth Proportional to 6,807,529.80, 10,211,294.70 and 6,387,625.80
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Solution
The fourth proportional to 6,807,529.80, 10,211,294.70 and 6,387,625.80 is: 9,581,438.70
Step by Step Solution
- Step 1: Write the proportion equation
6,807,529.80 : 10,211,294.70 = 6,387,625.80 : x - Step 2: Convert to fraction form
6,807,529.80/10,211,294.70 = 6,387,625.80/x - Step 3: Cross multiply
6,807,529.80x = 10,211,294.70 × 6,387,625.80 - Step 4: Simplify right side
6,807,529.80x = 65,225,929,477,123.25 - Step 5: Solve for x
x = 65,225,929,477,123.25/6,807,529.80 - Step 6: Final answer
x = 9,581,438.70
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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.