Finding the Fourth Proportional to 8,361,927.70, 12,542,891.55 and 6,472,359.70
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Solution
The fourth proportional to 8,361,927.70, 12,542,891.55 and 6,472,359.70 is: 9,708,539.55
Step by Step Solution
- Step 1: Write the proportion equation
8,361,927.70 : 12,542,891.55 = 6,472,359.70 : x - Step 2: Convert to fraction form
8,361,927.70/12,542,891.55 = 6,472,359.70/x - Step 3: Cross multiply
8,361,927.70x = 12,542,891.55 × 6,472,359.70 - Step 4: Simplify right side
8,361,927.70x = 81,182,105,789,690.55 - Step 5: Solve for x
x = 81,182,105,789,690.55/8,361,927.70 - Step 6: Final answer
x = 9,708,539.55
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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.