Finding the Fourth Proportional to 12,107,559, 16,708,544.70 and 6,675,245.40
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Solution
The fourth proportional to 12,107,559, 16,708,544.70 and 6,675,245.40 is: 9,211,901.11
Step by Step Solution
- Step 1: Write the proportion equation
12,107,559 : 16,708,544.70 = 6,675,245.40 : x - Step 2: Convert to fraction form
12,107,559/16,708,544.70 = 6,675,245.40/x - Step 3: Cross multiply
12,107,559x = 16,708,544.70 × 6,675,245.40 - Step 4: Simplify right side
12,107,559x = 111,533,636,149,369.38 - Step 5: Solve for x
x = 111,533,636,149,369.38/12,107,559 - Step 6: Final answer
x = 9,211,901.11
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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.