Finding the Fourth Proportional to 10,229,802.35, 14,116,122.19 and 5,645,827.67
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Solution
The fourth proportional to 10,229,802.35, 14,116,122.19 and 5,645,827.67 is: 7,790,687.50
Step by Step Solution
- Step 1: Write the proportion equation
10,229,802.35 : 14,116,122.19 = 5,645,827.67 : x - Step 2: Convert to fraction form
10,229,802.35/14,116,122.19 = 5,645,827.67/x - Step 3: Cross multiply
10,229,802.35x = 14,116,122.19 × 5,645,827.67 - Step 4: Simplify right side
10,229,802.35x = 79,697,193,253,403 - Step 5: Solve for x
x = 79,697,193,253,403/10,229,802.35 - Step 6: Final answer
x = 7,790,687.50
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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.