Finding the Fourth Proportional to 22,020,181.60, 32,967,286.80 and 13,517,125.60
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Solution
The fourth proportional to 22,020,181.60, 32,967,286.80 and 13,517,125.60 is: 20,237,024.58
Step by Step Solution
- Step 1: Write the proportion equation
22,020,181.60 : 32,967,286.80 = 13,517,125.60 : x - Step 2: Convert to fraction form
22,020,181.60/32,967,286.80 = 13,517,125.60/x - Step 3: Cross multiply
22,020,181.60x = 32,967,286.80 × 13,517,125.60 - Step 4: Simplify right side
22,020,181.60x = 445,622,956,366,822.06 - Step 5: Solve for x
x = 445,622,956,366,822.06/22,020,181.60 - Step 6: Final answer
x = 20,237,024.58
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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.