Finding the Fourth Proportional to 21,885,968.88, 30,204,199.94 and 12,096,202.68
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Solution
The fourth proportional to 21,885,968.88, 30,204,199.94 and 12,096,202.68 is: 16,693,623.49
Step by Step Solution
- Step 1: Write the proportion equation
21,885,968.88 : 30,204,199.94 = 12,096,202.68 : x - Step 2: Convert to fraction form
21,885,968.88/30,204,199.94 = 12,096,202.68/x - Step 3: Cross multiply
21,885,968.88x = 30,204,199.94 × 12,096,202.68 - Step 4: Simplify right side
21,885,968.88x = 365,356,124,261,483.88 - Step 5: Solve for x
x = 365,356,124,261,483.88/21,885,968.88 - Step 6: Final answer
x = 16,693,623.49
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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.