Finding the Fourth Proportional to 8,878,851.70, 13,318,277.55 and 3,199,261.30
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Solution
The fourth proportional to 8,878,851.70, 13,318,277.55 and 3,199,261.30 is: 4,798,891.95
Step by Step Solution
- Step 1: Write the proportion equation
8,878,851.70 : 13,318,277.55 = 3,199,261.30 : x - Step 2: Convert to fraction form
8,878,851.70/13,318,277.55 = 3,199,261.30/x - Step 3: Cross multiply
8,878,851.70x = 13,318,277.55 × 3,199,261.30 - Step 4: Simplify right side
8,878,851.70x = 42,608,649,948,373.81 - Step 5: Solve for x
x = 42,608,649,948,373.81/8,878,851.70 - Step 6: Final answer
x = 4,798,891.95
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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.