Finding the Fourth Proportional to 12,544,558.17, 17,279,235.14 and 8,867,152.50
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Solution
The fourth proportional to 12,544,558.17, 17,279,235.14 and 8,867,152.50 is: 12,213,870.82
Step by Step Solution
- Step 1: Write the proportion equation
12,544,558.17 : 17,279,235.14 = 8,867,152.50 : x - Step 2: Convert to fraction form
12,544,558.17/17,279,235.14 = 8,867,152.50/x - Step 3: Cross multiply
12,544,558.17x = 17,279,235.14 × 8,867,152.50 - Step 4: Simplify right side
12,544,558.17x = 153,217,613,025,403.09 - Step 5: Solve for x
x = 153,217,613,025,403.09/12,544,558.17 - Step 6: Final answer
x = 12,213,870.82
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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.