Finding the Fourth Proportional to 11,665,130.71, 16,094,038.84 and 7,537,593.31
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Solution
The fourth proportional to 11,665,130.71, 16,094,038.84 and 7,537,593.31 is: 10,399,396.50
Step by Step Solution
- Step 1: Write the proportion equation
11,665,130.71 : 16,094,038.84 = 7,537,593.31 : x - Step 2: Convert to fraction form
11,665,130.71/16,094,038.84 = 7,537,593.31/x - Step 3: Cross multiply
11,665,130.71x = 16,094,038.84 × 7,537,593.31 - Step 4: Simplify right side
11,665,130.71x = 121,310,319,432,185.08 - Step 5: Solve for x
x = 121,310,319,432,185.08/11,665,130.71 - Step 6: Final answer
x = 10,399,396.50
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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.