Finding the Fourth Proportional to 10,321,384.94, 14,243,876.70 and 5,675,523.56
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Solution
The fourth proportional to 10,321,384.94, 14,243,876.70 and 5,675,523.56 is: 7,832,423.48
Step by Step Solution
- Step 1: Write the proportion equation
10,321,384.94 : 14,243,876.70 = 5,675,523.56 : x - Step 2: Convert to fraction form
10,321,384.94/14,243,876.70 = 5,675,523.56/x - Step 3: Cross multiply
10,321,384.94x = 14,243,876.70 × 5,675,523.56 - Step 4: Simplify right side
10,321,384.94x = 80,841,457,796,585.05 - Step 5: Solve for x
x = 80,841,457,796,585.05/10,321,384.94 - Step 6: Final answer
x = 7,832,423.48
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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.