Finding the Fourth Proportional to 8,119,675.99, 11,205,152.54 and 4,448,731.64
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Solution
The fourth proportional to 8,119,675.99, 11,205,152.54 and 4,448,731.64 is: 6,139,249.48
Step by Step Solution
- Step 1: Write the proportion equation
8,119,675.99 : 11,205,152.54 = 4,448,731.64 : x - Step 2: Convert to fraction form
8,119,675.99/11,205,152.54 = 4,448,731.64/x - Step 3: Cross multiply
8,119,675.99x = 11,205,152.54 × 4,448,731.64 - Step 4: Simplify right side
8,119,675.99x = 49,848,716,635,724.36 - Step 5: Solve for x
x = 49,848,716,635,724.36/8,119,675.99 - Step 6: Final answer
x = 6,139,249.48
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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.