Finding the Fourth Proportional to 11,609,757.72, 16,021,657.44 and 6,382,986.84
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Solution
The fourth proportional to 11,609,757.72, 16,021,657.44 and 6,382,986.84 is: 8,808,627.28
Step by Step Solution
- Step 1: Write the proportion equation
11,609,757.72 : 16,021,657.44 = 6,382,986.84 : x - Step 2: Convert to fraction form
11,609,757.72/16,021,657.44 = 6,382,986.84/x - Step 3: Cross multiply
11,609,757.72x = 16,021,657.44 × 6,382,986.84 - Step 4: Simplify right side
11,609,757.72x = 102,266,028,594,508.08 - Step 5: Solve for x
x = 102,266,028,594,508.08/11,609,757.72 - Step 6: Final answer
x = 8,808,627.28
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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.