Finding the Fourth Proportional to 11,338,430.70, 17,007,646.05 and 4,611,672.30
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Solution
The fourth proportional to 11,338,430.70, 17,007,646.05 and 4,611,672.30 is: 6,917,508.45
Step by Step Solution
- Step 1: Write the proportion equation
11,338,430.70 : 17,007,646.05 = 4,611,672.30 : x - Step 2: Convert to fraction form
11,338,430.70/17,007,646.05 = 4,611,672.30/x - Step 3: Cross multiply
11,338,430.70x = 17,007,646.05 × 4,611,672.30 - Step 4: Simplify right side
11,338,430.70x = 78,433,690,176,989.42 - Step 5: Solve for x
x = 78,433,690,176,989.42/11,338,430.70 - Step 6: Final answer
x = 6,917,508.45
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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.