Finding the Fourth Proportional to 16,515,121.20, 24,725,442.60 and 10,137,829.20
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Solution
The fourth proportional to 16,515,121.20, 24,725,442.60 and 10,137,829.20 is: 15,177,745.95
Step by Step Solution
- Step 1: Write the proportion equation
16,515,121.20 : 24,725,442.60 = 10,137,829.20 : x - Step 2: Convert to fraction form
16,515,121.20/24,725,442.60 = 10,137,829.20/x - Step 3: Cross multiply
16,515,121.20x = 24,725,442.60 × 10,137,829.20 - Step 4: Simplify right side
16,515,121.20x = 250,662,313,973,203.91 - Step 5: Solve for x
x = 250,662,313,973,203.91/16,515,121.20 - Step 6: Final answer
x = 15,177,745.95
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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.