Finding the Fourth Proportional to 11,880,052.21, 16,394,478.87 and 6,447,544.21
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Solution
The fourth proportional to 11,880,052.21, 16,394,478.87 and 6,447,544.21 is: 8,897,614.71
Step by Step Solution
- Step 1: Write the proportion equation
11,880,052.21 : 16,394,478.87 = 6,447,544.21 : x - Step 2: Convert to fraction form
11,880,052.21/16,394,478.87 = 6,447,544.21/x - Step 3: Cross multiply
11,880,052.21x = 16,394,478.87 × 6,447,544.21 - Step 4: Simplify right side
11,880,052.21x = 105,704,127,358,907.22 - Step 5: Solve for x
x = 105,704,127,358,907.22/11,880,052.21 - Step 6: Final answer
x = 8,897,614.71
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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.