Finding the Fourth Proportional to 11,091,490.20, 16,637,235.30 and 3,911,131.80
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Solution
The fourth proportional to 11,091,490.20, 16,637,235.30 and 3,911,131.80 is: 5,866,697.70
Step by Step Solution
- Step 1: Write the proportion equation
11,091,490.20 : 16,637,235.30 = 3,911,131.80 : x - Step 2: Convert to fraction form
11,091,490.20/16,637,235.30 = 3,911,131.80/x - Step 3: Cross multiply
11,091,490.20x = 16,637,235.30 × 3,911,131.80 - Step 4: Simplify right side
11,091,490.20x = 65,070,420,045,912.54 - Step 5: Solve for x
x = 65,070,420,045,912.54/11,091,490.20 - Step 6: Final answer
x = 5,866,697.70
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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.