Finding the Fourth Proportional to 19,935,913.91, 27,511,556.96 and 10,768,556.75
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Solution
The fourth proportional to 19,935,913.91, 27,511,556.96 and 10,768,556.75 is: 14,860,606.02
Step by Step Solution
- Step 1: Write the proportion equation
19,935,913.91 : 27,511,556.96 = 10,768,556.75 : x - Step 2: Convert to fraction form
19,935,913.91/27,511,556.96 = 10,768,556.75/x - Step 3: Cross multiply
19,935,913.91x = 27,511,556.96 × 10,768,556.75 - Step 4: Simplify right side
19,935,913.91x = 296,259,762,350,774.69 - Step 5: Solve for x
x = 296,259,762,350,774.69/19,935,913.91 - Step 6: Final answer
x = 14,860,606.02
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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.