Finding the Fourth Proportional to 11,959,550.64, 16,498,439.82 and 7,827,762.78
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Solution
The fourth proportional to 11,959,550.64, 16,498,439.82 and 7,827,762.78 is: 10,798,555.65
Step by Step Solution
- Step 1: Write the proportion equation
11,959,550.64 : 16,498,439.82 = 7,827,762.78 : x - Step 2: Convert to fraction form
11,959,550.64/16,498,439.82 = 7,827,762.78/x - Step 3: Cross multiply
11,959,550.64x = 16,498,439.82 × 7,827,762.78 - Step 4: Simplify right side
11,959,550.64x = 129,145,873,151,065.91 - Step 5: Solve for x
x = 129,145,873,151,065.91/11,959,550.64 - Step 6: Final answer
x = 10,798,555.65
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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.