Finding the Fourth Proportional to 11,192,485.80, 16,788,728.70 and 4,007,461.80
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Solution
The fourth proportional to 11,192,485.80, 16,788,728.70 and 4,007,461.80 is: 6,011,192.70
Step by Step Solution
- Step 1: Write the proportion equation
11,192,485.80 : 16,788,728.70 = 4,007,461.80 : x - Step 2: Convert to fraction form
11,192,485.80/16,788,728.70 = 4,007,461.80/x - Step 3: Cross multiply
11,192,485.80x = 16,788,728.70 × 4,007,461.80 - Step 4: Simplify right side
11,192,485.80x = 67,280,188,935,813.66 - Step 5: Solve for x
x = 67,280,188,935,813.66/11,192,485.80 - Step 6: Final answer
x = 6,011,192.70
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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.