Finding the Fourth Proportional to 15,106,720.04, 20,847,276.60 and 8,231,202.14
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Solution
The fourth proportional to 15,106,720.04, 20,847,276.60 and 8,231,202.14 is: 11,359,060.56
Step by Step Solution
- Step 1: Write the proportion equation
15,106,720.04 : 20,847,276.60 = 8,231,202.14 : x - Step 2: Convert to fraction form
15,106,720.04/20,847,276.60 = 8,231,202.14/x - Step 3: Cross multiply
15,106,720.04x = 20,847,276.60 × 8,231,202.14 - Step 4: Simplify right side
15,106,720.04x = 171,598,147,763,091.94 - Step 5: Solve for x
x = 171,598,147,763,091.94/15,106,720.04 - Step 6: Final answer
x = 11,359,060.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.