Finding the Fourth Proportional to 13,554,170.99, 20,331,499.49 and 4,924,400.21
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Solution
The fourth proportional to 13,554,170.99, 20,331,499.49 and 4,924,400.21 is: 7,386,688.61
Step by Step Solution
- Step 1: Write the proportion equation
13,554,170.99 : 20,331,499.49 = 4,924,400.21 : x - Step 2: Convert to fraction form
13,554,170.99/20,331,499.49 = 4,924,400.21/x - Step 3: Cross multiply
13,554,170.99x = 20,331,499.49 × 4,924,400.21 - Step 4: Simplify right side
13,554,170.99x = 100,120,440,454,818.05 - Step 5: Solve for x
x = 100,120,440,454,818.05/13,554,170.99 - Step 6: Final answer
x = 7,386,688.61
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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.