Finding the Fourth Proportional to 16,570,861.13, 22,878,256.95 and 12,212,356.03
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Solution
The fourth proportional to 16,570,861.13, 22,878,256.95 and 12,212,356.03 is: 16,860,766.43
Step by Step Solution
- Step 1: Write the proportion equation
16,570,861.13 : 22,878,256.95 = 12,212,356.03 : x - Step 2: Convert to fraction form
16,570,861.13/22,878,256.95 = 12,212,356.03/x - Step 3: Cross multiply
16,570,861.13x = 22,878,256.95 × 12,212,356.03 - Step 4: Simplify right side
16,570,861.13x = 279,397,419,162,026.25 - Step 5: Solve for x
x = 279,397,419,162,026.25/16,570,861.13 - Step 6: Final answer
x = 16,860,766.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.