Finding the Fourth Proportional to 10,974,029.80, 16,461,044.70 and 4,990,397.80
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Solution
The fourth proportional to 10,974,029.80, 16,461,044.70 and 4,990,397.80 is: 7,485,596.70
Step by Step Solution
- Step 1: Write the proportion equation
10,974,029.80 : 16,461,044.70 = 4,990,397.80 : x - Step 2: Convert to fraction form
10,974,029.80/16,461,044.70 = 4,990,397.80/x - Step 3: Cross multiply
10,974,029.80x = 16,461,044.70 × 4,990,397.80 - Step 4: Simplify right side
10,974,029.80x = 82,147,161,256,581.66 - Step 5: Solve for x
x = 82,147,161,256,581.66/10,974,029.80 - Step 6: Final answer
x = 7,485,596.70
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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.