Finding the Fourth Proportional to 32,946,331.97, 49,419,986.14 and 12,470,553.99
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Solution
The fourth proportional to 32,946,331.97, 49,419,986.14 and 12,470,553.99 is: 18,706,015.77
Step by Step Solution
- Step 1: Write the proportion equation
32,946,331.97 : 49,419,986.14 = 12,470,553.99 : x - Step 2: Convert to fraction form
32,946,331.97/49,419,986.14 = 12,470,553.99/x - Step 3: Cross multiply
32,946,331.97x = 49,419,986.14 × 12,470,553.99 - Step 4: Simplify right side
32,946,331.97x = 616,294,605,289,363 - Step 5: Solve for x
x = 616,294,605,289,363/32,946,331.97 - Step 6: Final answer
x = 18,706,015.77
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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.