Finding the Fourth Proportional to 11,275,526.66, 15,560,236.96 and 6,118,888.25
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Solution
The fourth proportional to 11,275,526.66, 15,560,236.96 and 6,118,888.25 is: 8,444,071.31
Step by Step Solution
- Step 1: Write the proportion equation
11,275,526.66 : 15,560,236.96 = 6,118,888.25 : x - Step 2: Convert to fraction form
11,275,526.66/15,560,236.96 = 6,118,888.25/x - Step 3: Cross multiply
11,275,526.66x = 15,560,236.96 × 6,118,888.25 - Step 4: Simplify right side
11,275,526.66x = 95,211,351,125,363.09 - Step 5: Solve for x
x = 95,211,351,125,363.09/11,275,526.66 - Step 6: Final answer
x = 8,444,071.31
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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.