Finding the Fourth Proportional to 11,653,757.90, 16,092,340.53 and 7,310,310.20
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Solution
The fourth proportional to 11,653,757.90, 16,092,340.53 and 7,310,310.20 is: 10,094,597.99
Step by Step Solution
- Step 1: Write the proportion equation
11,653,757.90 : 16,092,340.53 = 7,310,310.20 : x - Step 2: Convert to fraction form
11,653,757.90/16,092,340.53 = 7,310,310.20/x - Step 3: Cross multiply
11,653,757.90x = 16,092,340.53 × 7,310,310.20 - Step 4: Simplify right side
11,653,757.90x = 117,640,001,118,332.41 - Step 5: Solve for x
x = 117,640,001,118,332.41/11,653,757.90 - Step 6: Final answer
x = 10,094,597.99
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1.5x scale
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.