Finding the Fourth Proportional to 7,759,923.68, 10,707,597.60 and 4,406,975.84
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Solution
The fourth proportional to 7,759,923.68, 10,707,597.60 and 4,406,975.84 is: 6,081,003.61
Step by Step Solution
- Step 1: Write the proportion equation
7,759,923.68 : 10,707,597.60 = 4,406,975.84 : x - Step 2: Convert to fraction form
7,759,923.68/10,707,597.60 = 4,406,975.84/x - Step 3: Cross multiply
7,759,923.68x = 10,707,597.60 × 4,406,975.84 - Step 4: Simplify right side
7,759,923.68x = 47,188,123,927,641.98 - Step 5: Solve for x
x = 47,188,123,927,641.98/7,759,923.68 - Step 6: Final answer
x = 6,081,003.61
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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.