Finding the Fourth Proportional to 8,492,744.70, 12,714,233.85 and 7,497,416.70
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Solution
The fourth proportional to 8,492,744.70, 12,714,233.85 and 7,497,416.70 is: 11,224,158.10
Step by Step Solution
- Step 1: Write the proportion equation
8,492,744.70 : 12,714,233.85 = 7,497,416.70 : x - Step 2: Convert to fraction form
8,492,744.70/12,714,233.85 = 7,497,416.70/x - Step 3: Cross multiply
8,492,744.70x = 12,714,233.85 × 7,497,416.70 - Step 4: Simplify right side
8,492,744.70x = 95,323,909,194,695.30 - Step 5: Solve for x
x = 95,323,909,194,695.30/8,492,744.70 - Step 6: Final answer
x = 11,224,158.10
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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.