Finding the Fourth Proportional to 7,424,181.54, 10,246,807.35 and 4,841,378.28
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Solution
The fourth proportional to 7,424,181.54, 10,246,807.35 and 4,841,378.28 is: 6,682,038.99
Step by Step Solution
- Step 1: Write the proportion equation
7,424,181.54 : 10,246,807.35 = 4,841,378.28 : x - Step 2: Convert to fraction form
7,424,181.54/10,246,807.35 = 4,841,378.28/x - Step 3: Cross multiply
7,424,181.54x = 10,246,807.35 × 4,841,378.28 - Step 4: Simplify right side
7,424,181.54x = 49,608,670,543,634.36 - Step 5: Solve for x
x = 49,608,670,543,634.36/7,424,181.54 - Step 6: Final answer
x = 6,682,038.99
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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.