Finding the Fourth Proportional to 8,296,484.80, 12,444,727.20 and 7,446,179.20
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Solution
The fourth proportional to 8,296,484.80, 12,444,727.20 and 7,446,179.20 is: 11,169,268.80
Step by Step Solution
- Step 1: Write the proportion equation
8,296,484.80 : 12,444,727.20 = 7,446,179.20 : x - Step 2: Convert to fraction form
8,296,484.80/12,444,727.20 = 7,446,179.20/x - Step 3: Cross multiply
8,296,484.80x = 12,444,727.20 × 7,446,179.20 - Step 4: Simplify right side
8,296,484.80x = 92,665,668,826,314.23 - Step 5: Solve for x
x = 92,665,668,826,314.23/8,296,484.80 - Step 6: Final answer
x = 11,169,268.80
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Similar ratio
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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.