Finding the Fourth Proportional to 46,527,646.11, 69,759,149.86 and 20,605,821.99
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Solution
The fourth proportional to 46,527,646.11, 69,759,149.86 and 20,605,821.99 is: 30,894,419.65
Step by Step Solution
- Step 1: Write the proportion equation
46,527,646.11 : 69,759,149.86 = 20,605,821.99 : x - Step 2: Convert to fraction form
46,527,646.11/69,759,149.86 = 20,605,821.99/x - Step 3: Cross multiply
46,527,646.11x = 69,759,149.86 × 20,605,821.99 - Step 4: Simplify right side
46,527,646.11x = 1,437,444,624,188,893.25 - Step 5: Solve for x
x = 1,437,444,624,188,893.25/46,527,646.11 - Step 6: Final answer
x = 30,894,419.65
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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.