Finding the Fourth Proportional to 11,423,651.64, 15,761,935.32 and 6,462,207.06
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Solution
The fourth proportional to 11,423,651.64, 15,761,935.32 and 6,462,207.06 is: 8,916,316.16
Step by Step Solution
- Step 1: Write the proportion equation
11,423,651.64 : 15,761,935.32 = 6,462,207.06 : x - Step 2: Convert to fraction form
11,423,651.64/15,761,935.32 = 6,462,207.06/x - Step 3: Cross multiply
11,423,651.64x = 15,761,935.32 × 6,462,207.06 - Step 4: Simplify right side
11,423,651.64x = 101,856,889,704,167.36 - Step 5: Solve for x
x = 101,856,889,704,167.36/11,423,651.64 - Step 6: Final answer
x = 8,916,316.16
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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.