Finding the Fourth Proportional to 11,302,944.48, 15,639,136.56 and 9,855,655.92
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Solution
The fourth proportional to 11,302,944.48, 15,639,136.56 and 9,855,655.92 is: 13,636,619.12
Step by Step Solution
- Step 1: Write the proportion equation
11,302,944.48 : 15,639,136.56 = 9,855,655.92 : x - Step 2: Convert to fraction form
11,302,944.48/15,639,136.56 = 9,855,655.92/x - Step 3: Cross multiply
11,302,944.48x = 15,639,136.56 × 9,855,655.92 - Step 4: Simplify right side
11,302,944.48x = 154,133,948,821,252.44 - Step 5: Solve for x
x = 154,133,948,821,252.44/11,302,944.48 - Step 6: Final answer
x = 13,636,619.12
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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.