Finding the Fourth Proportional to 8,307,416.20, 12,461,124.30 and 4,711,793.80
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Solution
The fourth proportional to 8,307,416.20, 12,461,124.30 and 4,711,793.80 is: 7,067,690.70
Step by Step Solution
- Step 1: Write the proportion equation
8,307,416.20 : 12,461,124.30 = 4,711,793.80 : x - Step 2: Convert to fraction form
8,307,416.20/12,461,124.30 = 4,711,793.80/x - Step 3: Cross multiply
8,307,416.20x = 12,461,124.30 × 4,711,793.80 - Step 4: Simplify right side
8,307,416.20x = 58,714,248,217,769.34 - Step 5: Solve for x
x = 58,714,248,217,769.34/8,307,416.20 - Step 6: Final answer
x = 7,067,690.70
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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.