Finding the Fourth Proportional to 9,478,343.93, 14,225,491.62 and 8,880,472.80
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Solution
The fourth proportional to 9,478,343.93, 14,225,491.62 and 8,880,472.80 is: 13,328,181.84
Step by Step Solution
- Step 1: Write the proportion equation
9,478,343.93 : 14,225,491.62 = 8,880,472.80 : x - Step 2: Convert to fraction form
9,478,343.93/14,225,491.62 = 8,880,472.80/x - Step 3: Cross multiply
9,478,343.93x = 14,225,491.62 × 8,880,472.80 - Step 4: Simplify right side
9,478,343.93x = 126,329,091,398,037.94 - Step 5: Solve for x
x = 126,329,091,398,037.94/9,478,343.93 - Step 6: Final answer
x = 13,328,181.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.