Finding the Fourth Proportional to 8,728,580.78, 13,092,870.36 and 3,337,776.44
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Solution
The fourth proportional to 8,728,580.78, 13,092,870.36 and 3,337,776.44 is: 5,006,664.35
Step by Step Solution
- Step 1: Write the proportion equation
8,728,580.78 : 13,092,870.36 = 3,337,776.44 : x - Step 2: Convert to fraction form
8,728,580.78/13,092,870.36 = 3,337,776.44/x - Step 3: Cross multiply
8,728,580.78x = 13,092,870.36 × 3,337,776.44 - Step 4: Simplify right side
8,728,580.78x = 43,701,074,202,893.44 - Step 5: Solve for x
x = 43,701,074,202,893.44/8,728,580.78 - Step 6: Final answer
x = 5,006,664.35
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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.