Finding the Fourth Proportional to 18,423,911.80, 27,593,877.30 and 10,865,639.80
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Solution
The fourth proportional to 18,423,911.80, 27,593,877.30 and 10,865,639.80 is: 16,273,695.55
Step by Step Solution
- Step 1: Write the proportion equation
18,423,911.80 : 27,593,877.30 = 10,865,639.80 : x - Step 2: Convert to fraction form
18,423,911.80/27,593,877.30 = 10,865,639.80/x - Step 3: Cross multiply
18,423,911.80x = 27,593,877.30 × 10,865,639.80 - Step 4: Simplify right side
18,423,911.80x = 299,825,131,427,196.56 - Step 5: Solve for x
x = 299,825,131,427,196.56/18,423,911.80 - Step 6: Final answer
x = 16,273,695.55
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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.