Finding the Fourth Proportional to 11,977,623.40, 17,967,212.70 and 6,308,919.40
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Solution
The fourth proportional to 11,977,623.40, 17,967,212.70 and 6,308,919.40 is: 9,463,788.68
Step by Step Solution
- Step 1: Write the proportion equation
11,977,623.40 : 17,967,212.70 = 6,308,919.40 : x - Step 2: Convert to fraction form
11,977,623.40/17,967,212.70 = 6,308,919.40/x - Step 3: Cross multiply
11,977,623.40x = 17,967,212.70 × 6,308,919.40 - Step 4: Simplify right side
11,977,623.40x = 113,353,696,766,956.38 - Step 5: Solve for x
x = 113,353,696,766,956.38/11,977,623.40 - Step 6: Final answer
x = 9,463,788.68
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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.