Finding the Fourth Proportional to 8,064,873.69, 11,129,492.34 and 4,393,778.99
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Solution
The fourth proportional to 8,064,873.69, 11,129,492.34 and 4,393,778.99 is: 6,063,396.83
Step by Step Solution
- Step 1: Write the proportion equation
8,064,873.69 : 11,129,492.34 = 4,393,778.99 : x - Step 2: Convert to fraction form
8,064,873.69/11,129,492.34 = 4,393,778.99/x - Step 3: Cross multiply
8,064,873.69x = 11,129,492.34 × 4,393,778.99 - Step 4: Simplify right side
8,064,873.69x = 48,900,529,557,210.48 - Step 5: Solve for x
x = 48,900,529,557,210.48/8,064,873.69 - Step 6: Final answer
x = 6,063,396.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.