Finding the Fourth Proportional to 10,203,704.04, 14,081,125.98 and 5,557,507.32
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Solution
The fourth proportional to 10,203,704.04, 14,081,125.98 and 5,557,507.32 is: 7,669,367.95
Step by Step Solution
- Step 1: Write the proportion equation
10,203,704.04 : 14,081,125.98 = 5,557,507.32 : x - Step 2: Convert to fraction form
10,203,704.04/14,081,125.98 = 5,557,507.32/x - Step 3: Cross multiply
10,203,704.04x = 14,081,125.98 × 5,557,507.32 - Step 4: Simplify right side
10,203,704.04x = 78,255,960,707,692.19 - Step 5: Solve for x
x = 78,255,960,707,692.19/10,203,704.04 - Step 6: Final answer
x = 7,669,367.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.