Finding the Fourth Proportional to 8,219,965.37, 11,343,574.26 and 4,549,135.10
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Solution
The fourth proportional to 8,219,965.37, 11,343,574.26 and 4,549,135.10 is: 6,277,818.64
Step by Step Solution
- Step 1: Write the proportion equation
8,219,965.37 : 11,343,574.26 = 4,549,135.10 : x - Step 2: Convert to fraction form
8,219,965.37/11,343,574.26 = 4,549,135.10/x - Step 3: Cross multiply
8,219,965.37x = 11,343,574.26 × 4,549,135.10 - Step 4: Simplify right side
8,219,965.37x = 51,603,451,768,904.65 - Step 5: Solve for x
x = 51,603,451,768,904.65/8,219,965.37 - Step 6: Final answer
x = 6,277,818.64
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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.