Finding the Fourth Proportional to 8,660,220.78, 12,993,216.12 and 2,903,524.05
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Solution
The fourth proportional to 8,660,220.78, 12,993,216.12 and 2,903,524.05 is: 4,356,253.32
Step by Step Solution
- Step 1: Write the proportion equation
8,660,220.78 : 12,993,216.12 = 2,903,524.05 : x - Step 2: Convert to fraction form
8,660,220.78/12,993,216.12 = 2,903,524.05/x - Step 3: Cross multiply
8,660,220.78x = 12,993,216.12 × 2,903,524.05 - Step 4: Simplify right side
8,660,220.78x = 37,726,115,491,267.68 - Step 5: Solve for x
x = 37,726,115,491,267.68/8,660,220.78 - Step 6: Final answer
x = 4,356,253.32
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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.