Finding the Fourth Proportional to 8,188,460.80, 12,264,028.80 and 4,829,228.80
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Solution
The fourth proportional to 8,188,460.80, 12,264,028.80 and 4,829,228.80 is: 7,232,836.86
Step by Step Solution
- Step 1: Write the proportion equation
8,188,460.80 : 12,264,028.80 = 4,829,228.80 : x - Step 2: Convert to fraction form
8,188,460.80/12,264,028.80 = 4,829,228.80/x - Step 3: Cross multiply
8,188,460.80x = 12,264,028.80 × 4,829,228.80 - Step 4: Simplify right side
8,188,460.80x = 59,225,801,084,989.44 - Step 5: Solve for x
x = 59,225,801,084,989.44/8,188,460.80 - Step 6: Final answer
x = 7,232,836.86
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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.