Finding the Fourth Proportional to 26,302,021.20, 39,459,252.60 and 8,351,125.20
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Solution
The fourth proportional to 26,302,021.20, 39,459,252.60 and 8,351,125.20 is: 12,528,662.96
Step by Step Solution
- Step 1: Write the proportion equation
26,302,021.20 : 39,459,252.60 = 8,351,125.20 : x - Step 2: Convert to fraction form
26,302,021.20/39,459,252.60 = 8,351,125.20/x - Step 3: Cross multiply
26,302,021.20x = 39,459,252.60 × 8,351,125.20 - Step 4: Simplify right side
26,302,021.20x = 329,529,158,761,025.56 - Step 5: Solve for x
x = 329,529,158,761,025.56/26,302,021.20 - Step 6: Final answer
x = 12,528,662.96
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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.