Finding the Fourth Proportional to 8,539,203.57, 12,808,817.67 and 3,490,514.07
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Solution
The fourth proportional to 8,539,203.57, 12,808,817.67 and 3,490,514.07 is: 5,235,776.14
Step by Step Solution
- Step 1: Write the proportion equation
8,539,203.57 : 12,808,817.67 = 3,490,514.07 : x - Step 2: Convert to fraction form
8,539,203.57/12,808,817.67 = 3,490,514.07/x - Step 3: Cross multiply
8,539,203.57x = 12,808,817.67 × 3,490,514.07 - Step 4: Simplify right side
8,539,203.57x = 44,709,358,297,199.62 - Step 5: Solve for x
x = 44,709,358,297,199.62/8,539,203.57 - Step 6: Final answer
x = 5,235,776.14
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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.