Finding the Fourth Proportional to 16,616,469.20, 24,924,703.80 and 14,376,981.20
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Solution
The fourth proportional to 16,616,469.20, 24,924,703.80 and 14,376,981.20 is: 21,565,471.80
Step by Step Solution
- Step 1: Write the proportion equation
16,616,469.20 : 24,924,703.80 = 14,376,981.20 : x - Step 2: Convert to fraction form
16,616,469.20/24,924,703.80 = 14,376,981.20/x - Step 3: Cross multiply
16,616,469.20x = 24,924,703.80 × 14,376,981.20 - Step 4: Simplify right side
16,616,469.20x = 358,341,997,948,168.56 - Step 5: Solve for x
x = 358,341,997,948,168.56/16,616,469.20 - Step 6: Final answer
x = 21,565,471.80
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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.