Finding the Fourth Proportional to 20,726,737.85, 31,117,047.99 and 15,937,790.24
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Solution
The fourth proportional to 20,726,737.85, 31,117,047.99 and 15,937,790.24 is: 23,927,401.76
Step by Step Solution
- Step 1: Write the proportion equation
20,726,737.85 : 31,117,047.99 = 15,937,790.24 : x - Step 2: Convert to fraction form
20,726,737.85/31,117,047.99 = 15,937,790.24/x - Step 3: Cross multiply
20,726,737.85x = 31,117,047.99 × 15,937,790.24 - Step 4: Simplify right side
20,726,737.85x = 495,936,983,770,659.50 - Step 5: Solve for x
x = 495,936,983,770,659.50/20,726,737.85 - Step 6: Final answer
x = 23,927,401.76
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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.