Finding the Fourth Proportional to 11,621,805.24, 16,001,584.52 and 9,875,791.92
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Solution
The fourth proportional to 11,621,805.24, 16,001,584.52 and 9,875,791.92 is: 13,597,570.76
Step by Step Solution
- Step 1: Write the proportion equation
11,621,805.24 : 16,001,584.52 = 9,875,791.92 : x - Step 2: Convert to fraction form
11,621,805.24/16,001,584.52 = 9,875,791.92/x - Step 3: Cross multiply
11,621,805.24x = 16,001,584.52 × 9,875,791.92 - Step 4: Simplify right side
11,621,805.24x = 158,028,319,060,434.12 - Step 5: Solve for x
x = 158,028,319,060,434.12/11,621,805.24 - Step 6: Final answer
x = 13,597,570.76
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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.