Finding the Fourth Proportional to 8,491,264.74, 11,718,135.87 and 4,819,835.46
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Solution
The fourth proportional to 8,491,264.74, 11,718,135.87 and 4,819,835.46 is: 6,651,481.08
Step by Step Solution
- Step 1: Write the proportion equation
8,491,264.74 : 11,718,135.87 = 4,819,835.46 : x - Step 2: Convert to fraction form
8,491,264.74/11,718,135.87 = 4,819,835.46/x - Step 3: Cross multiply
8,491,264.74x = 11,718,135.87 × 4,819,835.46 - Step 4: Simplify right side
8,491,264.74x = 56,479,486,791,323.95 - Step 5: Solve for x
x = 56,479,486,791,323.95/8,491,264.74 - Step 6: Final answer
x = 6,651,481.08
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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.