Finding the Fourth Proportional to 7,879,959.11, 10,873,875.07 and 4,571,997.07
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Solution
The fourth proportional to 7,879,959.11, 10,873,875.07 and 4,571,997.07 is: 6,309,084.13
Step by Step Solution
- Step 1: Write the proportion equation
7,879,959.11 : 10,873,875.07 = 4,571,997.07 : x - Step 2: Convert to fraction form
7,879,959.11/10,873,875.07 = 4,571,997.07/x - Step 3: Cross multiply
7,879,959.11x = 10,873,875.07 × 4,571,997.07 - Step 4: Simplify right side
7,879,959.11x = 49,715,324,959,586.05 - Step 5: Solve for x
x = 49,715,324,959,586.05/7,879,959.11 - Step 6: Final answer
x = 6,309,084.13
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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.