Finding the Fourth Proportional to 10,086,981.74, 15,110,964.42 and 8,448,294.84
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Solution
The fourth proportional to 10,086,981.74, 15,110,964.42 and 8,448,294.84 is: 12,656,103.28
Step by Step Solution
- Step 1: Write the proportion equation
10,086,981.74 : 15,110,964.42 = 8,448,294.84 : x - Step 2: Convert to fraction form
10,086,981.74/15,110,964.42 = 8,448,294.84/x - Step 3: Cross multiply
10,086,981.74x = 15,110,964.42 × 8,448,294.84 - Step 4: Simplify right side
10,086,981.74x = 127,661,882,648,562.36 - Step 5: Solve for x
x = 127,661,882,648,562.36/10,086,981.74 - Step 6: Final answer
x = 12,656,103.28
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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.