Finding the Fourth Proportional to 7,486,906.60, 11,224,830.30 and 2,996,871.40
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Solution
The fourth proportional to 7,486,906.60, 11,224,830.30 and 2,996,871.40 is: 4,493,093.70
Step by Step Solution
- Step 1: Write the proportion equation
7,486,906.60 : 11,224,830.30 = 2,996,871.40 : x - Step 2: Convert to fraction form
7,486,906.60/11,224,830.30 = 2,996,871.40/x - Step 3: Cross multiply
7,486,906.60x = 11,224,830.30 × 2,996,871.40 - Step 4: Simplify right side
7,486,906.60x = 33,639,372,895,923.42 - Step 5: Solve for x
x = 33,639,372,895,923.42/7,486,906.60 - Step 6: Final answer
x = 4,493,093.70
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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.