Finding the Fourth Proportional to 16,423,416.80, 24,588,469.20 and 15,529,695.20
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Solution
The fourth proportional to 16,423,416.80, 24,588,469.20 and 15,529,695.20 is: 23,250,425.70
Step by Step Solution
- Step 1: Write the proportion equation
16,423,416.80 : 24,588,469.20 = 15,529,695.20 : x - Step 2: Convert to fraction form
16,423,416.80/24,588,469.20 = 15,529,695.20/x - Step 3: Cross multiply
16,423,416.80x = 24,588,469.20 × 15,529,695.20 - Step 4: Simplify right side
16,423,416.80x = 381,851,432,110,587.81 - Step 5: Solve for x
x = 381,851,432,110,587.81/16,423,416.80 - Step 6: Final answer
x = 23,250,425.70
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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.