Finding the Fourth Proportional to 14,273,349.16, 19,682,332.86 and 8,471,009.88
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Solution
The fourth proportional to 14,273,349.16, 19,682,332.86 and 8,471,009.88 is: 11,681,157.26
Step by Step Solution
- Step 1: Write the proportion equation
14,273,349.16 : 19,682,332.86 = 8,471,009.88 : x - Step 2: Convert to fraction form
14,273,349.16/19,682,332.86 = 8,471,009.88/x - Step 3: Cross multiply
14,273,349.16x = 19,682,332.86 × 8,471,009.88 - Step 4: Simplify right side
14,273,349.16x = 166,729,236,118,508.66 - Step 5: Solve for x
x = 166,729,236,118,508.66/14,273,349.16 - Step 6: Final answer
x = 11,681,157.26
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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.