Finding the Fourth Proportional to 7,248,356.80, 10,879,533.60 and 4,414,004.80
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Solution
The fourth proportional to 7,248,356.80, 10,879,533.60 and 4,414,004.80 is: 6,625,268.99
Step by Step Solution
- Step 1: Write the proportion equation
7,248,356.80 : 10,879,533.60 = 4,414,004.80 : x - Step 2: Convert to fraction form
7,248,356.80/10,879,533.60 = 4,414,004.80/x - Step 3: Cross multiply
7,248,356.80x = 10,879,533.60 × 4,414,004.80 - Step 4: Simplify right side
7,248,356.80x = 48,022,313,532,161.27 - Step 5: Solve for x
x = 48,022,313,532,161.27/7,248,356.80 - Step 6: Final answer
x = 6,625,268.99
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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.