Finding the Fourth Proportional to 10,816,085.91, 14,936,316.12 and 6,955,314.87
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Solution
The fourth proportional to 10,816,085.91, 14,936,316.12 and 6,955,314.87 is: 9,604,840.65
Step by Step Solution
- Step 1: Write the proportion equation
10,816,085.91 : 14,936,316.12 = 6,955,314.87 : x - Step 2: Convert to fraction form
10,816,085.91/14,936,316.12 = 6,955,314.87/x - Step 3: Cross multiply
10,816,085.91x = 14,936,316.12 × 6,955,314.87 - Step 4: Simplify right side
10,816,085.91x = 103,886,781,612,456.70 - Step 5: Solve for x
x = 103,886,781,612,456.70/10,816,085.91 - Step 6: Final answer
x = 9,604,840.65
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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.