Finding the Fourth Proportional to 16,261,327.62, 22,440,664.19 and 8,919,220.52
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Solution
The fourth proportional to 16,261,327.62, 22,440,664.19 and 8,919,220.52 is: 12,308,541.90
Step by Step Solution
- Step 1: Write the proportion equation
16,261,327.62 : 22,440,664.19 = 8,919,220.52 : x - Step 2: Convert to fraction form
16,261,327.62/22,440,664.19 = 8,919,220.52/x - Step 3: Cross multiply
16,261,327.62x = 22,440,664.19 × 8,919,220.52 - Step 4: Simplify right side
16,261,327.62x = 200,153,232,369,077.75 - Step 5: Solve for x
x = 200,153,232,369,077.75/16,261,327.62 - Step 6: Final answer
x = 12,308,541.90
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1.5x scale
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.