Finding the Fourth Proportional to 8,078,623.93, 11,148,446.71 and 4,593,964.07
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Solution
The fourth proportional to 8,078,623.93, 11,148,446.71 and 4,593,964.07 is: 6,339,639.53
Step by Step Solution
- Step 1: Write the proportion equation
8,078,623.93 : 11,148,446.71 = 4,593,964.07 : x - Step 2: Convert to fraction form
8,078,623.93/11,148,446.71 = 4,593,964.07/x - Step 3: Cross multiply
8,078,623.93x = 11,148,446.71 × 4,593,964.07 - Step 4: Simplify right side
8,078,623.93x = 51,215,563,655,663.28 - Step 5: Solve for x
x = 51,215,563,655,663.28/8,078,623.93 - Step 6: Final answer
x = 6,339,639.53
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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.