Finding the Fourth Proportional to 14,343,275.87, 19,794,422.46 and 8,065,778.97
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Solution
The fourth proportional to 14,343,275.87, 19,794,422.46 and 8,065,778.97 is: 11,131,169.61
Step by Step Solution
- Step 1: Write the proportion equation
14,343,275.87 : 19,794,422.46 = 8,065,778.97 : x - Step 2: Convert to fraction form
14,343,275.87/19,794,422.46 = 8,065,778.97/x - Step 3: Cross multiply
14,343,275.87x = 19,794,422.46 × 8,065,778.97 - Step 4: Simplify right side
14,343,275.87x = 159,657,436,401,163.66 - Step 5: Solve for x
x = 159,657,436,401,163.66/14,343,275.87 - Step 6: Final answer
x = 11,131,169.61
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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.