Finding the Fourth Proportional to 12,000,245.16, 16,560,382.20 and 6,493,620.06
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Solution
The fourth proportional to 12,000,245.16, 16,560,382.20 and 6,493,620.06 is: 8,961,219.43
Step by Step Solution
- Step 1: Write the proportion equation
12,000,245.16 : 16,560,382.20 = 6,493,620.06 : x - Step 2: Convert to fraction form
12,000,245.16/16,560,382.20 = 6,493,620.06/x - Step 3: Cross multiply
12,000,245.16x = 16,560,382.20 × 6,493,620.06 - Step 4: Simplify right side
12,000,245.16x = 107,536,830,055,186.92 - Step 5: Solve for x
x = 107,536,830,055,186.92/12,000,245.16 - Step 6: Final answer
x = 8,961,219.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.