Finding the Fourth Proportional to 11,302,802.61, 15,597,689.67 and 6,146,119.05
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Solution
The fourth proportional to 11,302,802.61, 15,597,689.67 and 6,146,119.05 is: 8,481,547.53
Step by Step Solution
- Step 1: Write the proportion equation
11,302,802.61 : 15,597,689.67 = 6,146,119.05 : x - Step 2: Convert to fraction form
11,302,802.61/15,597,689.67 = 6,146,119.05/x - Step 3: Cross multiply
11,302,802.61x = 15,597,689.67 × 6,146,119.05 - Step 4: Simplify right side
11,302,802.61x = 95,865,257,558,283.88 - Step 5: Solve for x
x = 95,865,257,558,283.88/11,302,802.61 - Step 6: Final answer
x = 8,481,547.53
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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.