Finding the Fourth Proportional to 45,220,962.22, 67,831,863.16 and 12,872,863.58
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Solution
The fourth proportional to 45,220,962.22, 67,831,863.16 and 12,872,863.58 is: 19,309,414.88
Step by Step Solution
- Step 1: Write the proportion equation
45,220,962.22 : 67,831,863.16 = 12,872,863.58 : x - Step 2: Convert to fraction form
45,220,962.22/67,831,863.16 = 12,872,863.58/x - Step 3: Cross multiply
45,220,962.22x = 67,831,863.16 × 12,872,863.58 - Step 4: Simplify right side
45,220,962.22x = 873,190,320,835,907.62 - Step 5: Solve for x
x = 873,190,320,835,907.62/45,220,962.22 - Step 6: Final answer
x = 19,309,414.88
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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.