Finding the Fourth Proportional to 27,202,809.60, 40,794,688.80 and 8,028,489.60
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Solution
The fourth proportional to 27,202,809.60, 40,794,688.80 and 8,028,489.60 is: 12,039,923.07
Step by Step Solution
- Step 1: Write the proportion equation
27,202,809.60 : 40,794,688.80 = 8,028,489.60 : x - Step 2: Convert to fraction form
27,202,809.60/40,794,688.80 = 8,028,489.60/x - Step 3: Cross multiply
27,202,809.60x = 40,794,688.80 × 8,028,489.60 - Step 4: Simplify right side
27,202,809.60x = 327,519,734,766,036.44 - Step 5: Solve for x
x = 327,519,734,766,036.44/27,202,809.60 - Step 6: Final answer
x = 12,039,923.07
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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.