Finding the Fourth Proportional to 11,492,331.84, 15,859,126.08 and 6,335,573.76
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Solution
The fourth proportional to 11,492,331.84, 15,859,126.08 and 6,335,573.76 is: 8,742,930.89
Step by Step Solution
- Step 1: Write the proportion equation
11,492,331.84 : 15,859,126.08 = 6,335,573.76 : x - Step 2: Convert to fraction form
11,492,331.84/15,859,126.08 = 6,335,573.76/x - Step 3: Cross multiply
11,492,331.84x = 15,859,126.08 × 6,335,573.76 - Step 4: Simplify right side
11,492,331.84x = 100,476,663,048,979.66 - Step 5: Solve for x
x = 100,476,663,048,979.66/11,492,331.84 - Step 6: Final answer
x = 8,742,930.89
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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.