Finding the Fourth Proportional to 8,297,974.49, 12,439,862.22 and 3,184,074.26
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Solution
The fourth proportional to 8,297,974.49, 12,439,862.22 and 3,184,074.26 is: 4,773,387.18
Step by Step Solution
- Step 1: Write the proportion equation
8,297,974.49 : 12,439,862.22 = 3,184,074.26 : x - Step 2: Convert to fraction form
8,297,974.49/12,439,862.22 = 3,184,074.26/x - Step 3: Cross multiply
8,297,974.49x = 12,439,862.22 × 3,184,074.26 - Step 4: Simplify right side
8,297,974.49x = 39,609,445,030,449.15 - Step 5: Solve for x
x = 39,609,445,030,449.15/8,297,974.49 - Step 6: Final answer
x = 4,773,387.18
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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.