Finding the Fourth Proportional to 8,359,532.18, 11,531,255.04 and 5,257,134.62
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Solution
The fourth proportional to 8,359,532.18, 11,531,255.04 and 5,257,134.62 is: 7,251,764.66
Step by Step Solution
- Step 1: Write the proportion equation
8,359,532.18 : 11,531,255.04 = 5,257,134.62 : x - Step 2: Convert to fraction form
8,359,532.18/11,531,255.04 = 5,257,134.62/x - Step 3: Cross multiply
8,359,532.18x = 11,531,255.04 × 5,257,134.62 - Step 4: Simplify right side
8,359,532.18x = 60,621,360,025,177.21 - Step 5: Solve for x
x = 60,621,360,025,177.21/8,359,532.18 - Step 6: Final answer
x = 7,251,764.66
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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.