Finding the Fourth Proportional to 17,690,236.79, 26,535,502.80 and 4,911,737.94
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Solution
The fourth proportional to 17,690,236.79, 26,535,502.80 and 4,911,737.94 is: 7,367,647.90
Step by Step Solution
- Step 1: Write the proportion equation
17,690,236.79 : 26,535,502.80 = 4,911,737.94 : x - Step 2: Convert to fraction form
17,690,236.79/26,535,502.80 = 4,911,737.94/x - Step 3: Cross multiply
17,690,236.79x = 26,535,502.80 × 4,911,737.94 - Step 4: Simplify right side
17,690,236.79x = 130,335,435,859,736.25 - Step 5: Solve for x
x = 130,335,435,859,736.25/17,690,236.79 - Step 6: Final answer
x = 7,367,647.90
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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.