Finding the Fourth Proportional to 8,159,794.80, 12,239,692.20 and 2,841,010.80
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Solution
The fourth proportional to 8,159,794.80, 12,239,692.20 and 2,841,010.80 is: 4,261,516.20
Step by Step Solution
- Step 1: Write the proportion equation
8,159,794.80 : 12,239,692.20 = 2,841,010.80 : x - Step 2: Convert to fraction form
8,159,794.80/12,239,692.20 = 2,841,010.80/x - Step 3: Cross multiply
8,159,794.80x = 12,239,692.20 × 2,841,010.80 - Step 4: Simplify right side
8,159,794.80x = 34,773,097,728,875.75 - Step 5: Solve for x
x = 34,773,097,728,875.75/8,159,794.80 - Step 6: Final answer
x = 4,261,516.20
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1.5x scale
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.