Finding the Fourth Proportional to 17,961,684.60, 26,942,526.90 and 8,868,138.60
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Solution
The fourth proportional to 17,961,684.60, 26,942,526.90 and 8,868,138.60 is: 13,302,207.90
Step by Step Solution
- Step 1: Write the proportion equation
17,961,684.60 : 26,942,526.90 = 8,868,138.60 : x - Step 2: Convert to fraction form
17,961,684.60/26,942,526.90 = 8,868,138.60/x - Step 3: Cross multiply
17,961,684.60x = 26,942,526.90 × 8,868,138.60 - Step 4: Simplify right side
17,961,684.60x = 238,930,062,783,428.31 - Step 5: Solve for x
x = 238,930,062,783,428.31/17,961,684.60 - Step 6: Final answer
x = 13,302,207.90
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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.