Finding the Fourth Proportional to 11,880,123.24, 16,394,576.75 and 6,447,615.24
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Solution
The fourth proportional to 11,880,123.24, 16,394,576.75 and 6,447,615.24 is: 8,897,712.66
Step by Step Solution
- Step 1: Write the proportion equation
11,880,123.24 : 16,394,576.75 = 6,447,615.24 : x - Step 2: Convert to fraction form
11,880,123.24/16,394,576.75 = 6,447,615.24/x - Step 3: Cross multiply
11,880,123.24x = 16,394,576.75 × 6,447,615.24 - Step 4: Simplify right side
11,880,123.24x = 105,705,922,906,649.67 - Step 5: Solve for x
x = 105,705,922,906,649.67/11,880,123.24 - Step 6: Final answer
x = 8,897,712.66
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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.