Finding the Fourth Proportional to 11,475,901.26, 15,836,847.03 and 6,319,283.58
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Solution
The fourth proportional to 11,475,901.26, 15,836,847.03 and 6,319,283.58 is: 8,720,668.22
Step by Step Solution
- Step 1: Write the proportion equation
11,475,901.26 : 15,836,847.03 = 6,319,283.58 : x - Step 2: Convert to fraction form
11,475,901.26/15,836,847.03 = 6,319,283.58/x - Step 3: Cross multiply
11,475,901.26x = 15,836,847.03 × 6,319,283.58 - Step 4: Simplify right side
11,475,901.26x = 100,077,527,395,650.77 - Step 5: Solve for x
x = 100,077,527,395,650.77/11,475,901.26 - Step 6: Final answer
x = 8,720,668.22
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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.