Finding the Fourth Proportional to 11,660,726.84, 16,096,962.96 and 7,532,770.76
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Solution
The fourth proportional to 11,660,726.84, 16,096,962.96 and 7,532,770.76 is: 10,398,556.93
Step by Step Solution
- Step 1: Write the proportion equation
11,660,726.84 : 16,096,962.96 = 7,532,770.76 : x - Step 2: Convert to fraction form
11,660,726.84/16,096,962.96 = 7,532,770.76/x - Step 3: Cross multiply
11,660,726.84x = 16,096,962.96 × 7,532,770.76 - Step 4: Simplify right side
11,660,726.84x = 121,254,731,909,891.05 - Step 5: Solve for x
x = 121,254,731,909,891.05/11,660,726.84 - Step 6: Final answer
x = 10,398,556.93
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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.