Finding the Fourth Proportional to 22,804,990.11, 31,470,876.32 and 12,351,006.99
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Solution
The fourth proportional to 22,804,990.11, 31,470,876.32 and 12,351,006.99 is: 17,044,384.21
Step by Step Solution
- Step 1: Write the proportion equation
22,804,990.11 : 31,470,876.32 = 12,351,006.99 : x - Step 2: Convert to fraction form
22,804,990.11/31,470,876.32 = 12,351,006.99/x - Step 3: Cross multiply
22,804,990.11x = 31,470,876.32 × 12,351,006.99 - Step 4: Simplify right side
22,804,990.11x = 388,697,013,347,990.44 - Step 5: Solve for x
x = 388,697,013,347,990.44/22,804,990.11 - Step 6: Final answer
x = 17,044,384.21
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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.