Finding the Fourth Proportional to 6,798,733.84, 9,382,930.48 and 5,076,864.96
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Solution
The fourth proportional to 6,798,733.84, 9,382,930.48 and 5,076,864.96 is: 7,006,579.77
Step by Step Solution
- Step 1: Write the proportion equation
6,798,733.84 : 9,382,930.48 = 5,076,864.96 : x - Step 2: Convert to fraction form
6,798,733.84/9,382,930.48 = 5,076,864.96/x - Step 3: Cross multiply
6,798,733.84x = 9,382,930.48 × 5,076,864.96 - Step 4: Simplify right side
6,798,733.84x = 47,635,870,976,027.98 - Step 5: Solve for x
x = 47,635,870,976,027.98/6,798,733.84 - Step 6: Final answer
x = 7,006,579.77
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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.