Finding the Fourth Proportional to 11,427,794.42, 15,770,811.17 and 6,271,340.49
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Solution
The fourth proportional to 11,427,794.42, 15,770,811.17 and 6,271,340.49 is: 8,654,699.50
Step by Step Solution
- Step 1: Write the proportion equation
11,427,794.42 : 15,770,811.17 = 6,271,340.49 : x - Step 2: Convert to fraction form
11,427,794.42/15,770,811.17 = 6,271,340.49/x - Step 3: Cross multiply
11,427,794.42x = 15,770,811.17 × 6,271,340.49 - Step 4: Simplify right side
11,427,794.42x = 98,904,126,666,243.62 - Step 5: Solve for x
x = 98,904,126,666,243.62/11,427,794.42 - Step 6: Final answer
x = 8,654,699.50
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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.