Finding the Fourth Proportional to 28,317,135.36, 42,463,892.88 and 8,881,353.84
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Solution
The fourth proportional to 28,317,135.36, 42,463,892.88 and 8,881,353.84 is: 13,318,326.63
Step by Step Solution
- Step 1: Write the proportion equation
28,317,135.36 : 42,463,892.88 = 8,881,353.84 : x - Step 2: Convert to fraction form
28,317,135.36/42,463,892.88 = 8,881,353.84/x - Step 3: Cross multiply
28,317,135.36x = 42,463,892.88 × 8,881,353.84 - Step 4: Simplify right side
28,317,135.36x = 377,136,858,091,136.69 - Step 5: Solve for x
x = 377,136,858,091,136.69/28,317,135.36 - Step 6: Final answer
x = 13,318,326.63
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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.