Finding the Fourth Proportional to 10,371,843.59, 14,312,769.05 and 5,725,528.88
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Solution
The fourth proportional to 10,371,843.59, 14,312,769.05 and 5,725,528.88 is: 7,901,022.79
Step by Step Solution
- Step 1: Write the proportion equation
10,371,843.59 : 14,312,769.05 = 5,725,528.88 : x - Step 2: Convert to fraction form
10,371,843.59/14,312,769.05 = 5,725,528.88/x - Step 3: Cross multiply
10,371,843.59x = 14,312,769.05 × 5,725,528.88 - Step 4: Simplify right side
10,371,843.59x = 81,948,172,491,295.14 - Step 5: Solve for x
x = 81,948,172,491,295.14/10,371,843.59 - Step 6: Final answer
x = 7,901,022.79
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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.