Finding the Fourth Proportional to 11,077,368.26, 16,621,906.58 and 7,859,700.60
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Solution
The fourth proportional to 11,077,368.26, 16,621,906.58 and 7,859,700.60 is: 11,793,704.61
Step by Step Solution
- Step 1: Write the proportion equation
11,077,368.26 : 16,621,906.58 = 7,859,700.60 : x - Step 2: Convert to fraction form
11,077,368.26/16,621,906.58 = 7,859,700.60/x - Step 3: Cross multiply
11,077,368.26x = 16,621,906.58 × 7,859,700.60 - Step 4: Simplify right side
11,077,368.26x = 130,643,209,119,969.94 - Step 5: Solve for x
x = 130,643,209,119,969.94/11,077,368.26 - Step 6: Final answer
x = 11,793,704.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.