Finding the Fourth Proportional to 11,074,455.80, 16,611,683.70 and 2,987,415.80
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Solution
The fourth proportional to 11,074,455.80, 16,611,683.70 and 2,987,415.80 is: 4,481,123.70
Step by Step Solution
- Step 1: Write the proportion equation
11,074,455.80 : 16,611,683.70 = 2,987,415.80 : x - Step 2: Convert to fraction form
11,074,455.80/16,611,683.70 = 2,987,415.80/x - Step 3: Cross multiply
11,074,455.80x = 16,611,683.70 × 2,987,415.80 - Step 4: Simplify right side
11,074,455.80x = 49,626,006,349,982.45 - Step 5: Solve for x
x = 49,626,006,349,982.45/11,074,455.80 - Step 6: Final answer
x = 4,481,123.70
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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.