Finding the Fourth Proportional to 8,149,418.40, 12,212,772.78 and 6,125,300.70
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Solution
The fourth proportional to 8,149,418.40, 12,212,772.78 and 6,125,300.70 is: 9,179,416.49
Step by Step Solution
- Step 1: Write the proportion equation
8,149,418.40 : 12,212,772.78 = 6,125,300.70 : x - Step 2: Convert to fraction form
8,149,418.40/12,212,772.78 = 6,125,300.70/x - Step 3: Cross multiply
8,149,418.40x = 12,212,772.78 × 6,125,300.70 - Step 4: Simplify right side
8,149,418.40x = 74,806,905,658,274.94 - Step 5: Solve for x
x = 74,806,905,658,274.94/8,149,418.40 - Step 6: Final answer
x = 9,179,416.49
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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.