Finding the Fourth Proportional to 8,093,009.20, 12,139,513.80 and 6,286,109.80
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Solution
The fourth proportional to 8,093,009.20, 12,139,513.80 and 6,286,109.80 is: 9,429,164.70
Step by Step Solution
- Step 1: Write the proportion equation
8,093,009.20 : 12,139,513.80 = 6,286,109.80 : x - Step 2: Convert to fraction form
8,093,009.20/12,139,513.80 = 6,286,109.80/x - Step 3: Cross multiply
8,093,009.20x = 12,139,513.80 × 6,286,109.80 - Step 4: Simplify right side
8,093,009.20x = 76,310,316,665,415.25 - Step 5: Solve for x
x = 76,310,316,665,415.25/8,093,009.20 - Step 6: Final answer
x = 9,429,164.70
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Similar ratio
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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.