Finding the Fourth Proportional to 7,379,040.80, 11,073,226.80 and 4,346,400.80
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Solution
The fourth proportional to 7,379,040.80, 11,073,226.80 and 4,346,400.80 is: 6,522,349.33
Step by Step Solution
- Step 1: Write the proportion equation
7,379,040.80 : 11,073,226.80 = 4,346,400.80 : x - Step 2: Convert to fraction form
7,379,040.80/11,073,226.80 = 4,346,400.80/x - Step 3: Cross multiply
7,379,040.80x = 11,073,226.80 × 4,346,400.80 - Step 4: Simplify right side
7,379,040.80x = 48,128,681,822,101.44 - Step 5: Solve for x
x = 48,128,681,822,101.44/7,379,040.80 - Step 6: Final answer
x = 6,522,349.33
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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.