Finding the Fourth Proportional to 8,498,345.20, 12,754,775.40 and 3,453,276.40
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Solution
The fourth proportional to 8,498,345.20, 12,754,775.40 and 3,453,276.40 is: 5,182,863.70
Step by Step Solution
- Step 1: Write the proportion equation
8,498,345.20 : 12,754,775.40 = 3,453,276.40 : x - Step 2: Convert to fraction form
8,498,345.20/12,754,775.40 = 3,453,276.40/x - Step 3: Cross multiply
8,498,345.20x = 12,754,775.40 × 3,453,276.40 - Step 4: Simplify right side
8,498,345.20x = 44,045,764,876,120.56 - Step 5: Solve for x
x = 44,045,764,876,120.56/8,498,345.20 - Step 6: Final answer
x = 5,182,863.70
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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.