Finding the Fourth Proportional to 47,381,741.91, 65,380,795.38 and 27,795,483.99
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Solution
The fourth proportional to 47,381,741.91, 65,380,795.38 and 27,795,483.99 is: 38,354,243.17
Step by Step Solution
- Step 1: Write the proportion equation
47,381,741.91 : 65,380,795.38 = 27,795,483.99 : x - Step 2: Convert to fraction form
47,381,741.91/65,380,795.38 = 27,795,483.99/x - Step 3: Cross multiply
47,381,741.91x = 65,380,795.38 × 27,795,483.99 - Step 4: Simplify right side
47,381,741.91x = 1,817,290,851,238,256 - Step 5: Solve for x
x = 1,817,290,851,238,256/47,381,741.91 - Step 6: Final answer
x = 38,354,243.17
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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.