Finding the Fourth Proportional to 30,436,293.08, 42,006,571.83 and 19,273,804.99
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Solution
The fourth proportional to 30,436,293.08, 42,006,571.83 and 19,273,804.99 is: 26,600,692.52
Step by Step Solution
- Step 1: Write the proportion equation
30,436,293.08 : 42,006,571.83 = 19,273,804.99 : x - Step 2: Convert to fraction form
30,436,293.08/42,006,571.83 = 19,273,804.99/x - Step 3: Cross multiply
30,436,293.08x = 42,006,571.83 × 19,273,804.99 - Step 4: Simplify right side
30,436,293.08x = 809,626,473,749,847.38 - Step 5: Solve for x
x = 809,626,473,749,847.38/30,436,293.08 - Step 6: Final answer
x = 26,600,692.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.