Finding the Fourth Proportional to 13,139,735.49, 19,698,932.84 and 5,469,121.94
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Solution
The fourth proportional to 13,139,735.49, 19,698,932.84 and 5,469,121.94 is: 8,199,241.59
Step by Step Solution
- Step 1: Write the proportion equation
13,139,735.49 : 19,698,932.84 = 5,469,121.94 : x - Step 2: Convert to fraction form
13,139,735.49/19,698,932.84 = 5,469,121.94/x - Step 3: Cross multiply
13,139,735.49x = 19,698,932.84 × 5,469,121.94 - Step 4: Simplify right side
13,139,735.49x = 107,735,865,663,990.23 - Step 5: Solve for x
x = 107,735,865,663,990.23/13,139,735.49 - Step 6: Final answer
x = 8,199,241.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.