Finding the Fourth Proportional to 12,749,239.80, 17,593,437.49 and 6,947,896.98
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Solution
The fourth proportional to 12,749,239.80, 17,593,437.49 and 6,947,896.98 is: 9,587,818.03
Step by Step Solution
- Step 1: Write the proportion equation
12,749,239.80 : 17,593,437.49 = 6,947,896.98 : x - Step 2: Convert to fraction form
12,749,239.80/17,593,437.49 = 6,947,896.98/x - Step 3: Cross multiply
12,749,239.80x = 17,593,437.49 × 6,947,896.98 - Step 4: Simplify right side
12,749,239.80x = 122,237,391,204,589.78 - Step 5: Solve for x
x = 122,237,391,204,589.78/12,749,239.80 - Step 6: Final answer
x = 9,587,818.03
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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.