Finding the Fourth Proportional to 6,372,277.20, 9,558,415.80 and 5,112,565.20
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Solution
The fourth proportional to 6,372,277.20, 9,558,415.80 and 5,112,565.20 is: 7,668,847.80
Step by Step Solution
- Step 1: Write the proportion equation
6,372,277.20 : 9,558,415.80 = 5,112,565.20 : x - Step 2: Convert to fraction form
6,372,277.20/9,558,415.80 = 5,112,565.20/x - Step 3: Cross multiply
6,372,277.20x = 9,558,415.80 × 5,112,565.20 - Step 4: Simplify right side
6,372,277.20x = 48,868,023,986,210.16 - Step 5: Solve for x
x = 48,868,023,986,210.16/6,372,277.20 - Step 6: Final answer
x = 7,668,847.80
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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.