Finding the Fourth Proportional to 8,210,136.05, 11,331,786.34 and 4,774,359.05
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Solution
The fourth proportional to 8,210,136.05, 11,331,786.34 and 4,774,359.05 is: 6,589,661.41
Step by Step Solution
- Step 1: Write the proportion equation
8,210,136.05 : 11,331,786.34 = 4,774,359.05 : x - Step 2: Convert to fraction form
8,210,136.05/11,331,786.34 = 4,774,359.05/x - Step 3: Cross multiply
8,210,136.05x = 11,331,786.34 × 4,774,359.05 - Step 4: Simplify right side
8,210,136.05x = 54,102,016,699,342.80 - Step 5: Solve for x
x = 54,102,016,699,342.80/8,210,136.05 - Step 6: Final answer
x = 6,589,661.41
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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.