Finding the Fourth Proportional to 11,197,219.80, 16,795,829.70 and 8,957,731.80
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Solution
The fourth proportional to 11,197,219.80, 16,795,829.70 and 8,957,731.80 is: 13,436,597.70
Step by Step Solution
- Step 1: Write the proportion equation
11,197,219.80 : 16,795,829.70 = 8,957,731.80 : x - Step 2: Convert to fraction form
11,197,219.80/16,795,829.70 = 8,957,731.80/x - Step 3: Cross multiply
11,197,219.80x = 16,795,829.70 × 8,957,731.80 - Step 4: Simplify right side
11,197,219.80x = 150,452,537,811,074.47 - Step 5: Solve for x
x = 150,452,537,811,074.47/11,197,219.80 - Step 6: Final answer
x = 13,436,597.70
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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.