Finding the Fourth Proportional to 18,423,927.30, 27,593,900.55 and 10,865,655.30
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Solution
The fourth proportional to 18,423,927.30, 27,593,900.55 and 10,865,655.30 is: 16,273,718.78
Step by Step Solution
- Step 1: Write the proportion equation
18,423,927.30 : 27,593,900.55 = 10,865,655.30 : x - Step 2: Convert to fraction form
18,423,927.30/27,593,900.55 = 10,865,655.30/x - Step 3: Cross multiply
18,423,927.30x = 27,593,900.55 × 10,865,655.30 - Step 4: Simplify right side
18,423,927.30x = 299,825,811,758,780.44 - Step 5: Solve for x
x = 299,825,811,758,780.44/18,423,927.30 - Step 6: Final answer
x = 16,273,718.78
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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.