Finding the Fourth Proportional to 10,371,861.62, 14,312,793.86 and 5,725,546.91
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Solution
The fourth proportional to 10,371,861.62, 14,312,793.86 and 5,725,546.91 is: 7,901,047.62
Step by Step Solution
- Step 1: Write the proportion equation
10,371,861.62 : 14,312,793.86 = 5,725,546.91 : x - Step 2: Convert to fraction form
10,371,861.62/14,312,793.86 = 5,725,546.91/x - Step 3: Cross multiply
10,371,861.62x = 14,312,793.86 × 5,725,546.91 - Step 4: Simplify right side
10,371,861.62x = 81,948,572,558,398.28 - Step 5: Solve for x
x = 81,948,572,558,398.28/10,371,861.62 - Step 6: Final answer
x = 7,901,047.62
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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.