Finding the Fourth Proportional to 8,605,612.02, 12,909,819.99 and 2,540,956.84
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Solution
The fourth proportional to 8,605,612.02, 12,909,819.99 and 2,540,956.84 is: 3,811,849.21
Step by Step Solution
- Step 1: Write the proportion equation
8,605,612.02 : 12,909,819.99 = 2,540,956.84 : x - Step 2: Convert to fraction form
8,605,612.02/12,909,819.99 = 2,540,956.84/x - Step 3: Cross multiply
8,605,612.02x = 12,909,819.99 × 2,540,956.84 - Step 4: Simplify right side
8,605,612.02x = 32,803,295,384,013.27 - Step 5: Solve for x
x = 32,803,295,384,013.27/8,605,612.02 - Step 6: Final answer
x = 3,811,849.21
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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.