Finding the Fourth Proportional to 14,757,106.92, 20,364,739.98 and 8,141,515.38
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Solution
The fourth proportional to 14,757,106.92, 20,364,739.98 and 8,141,515.38 is: 11,235,253.95
Step by Step Solution
- Step 1: Write the proportion equation
14,757,106.92 : 20,364,739.98 = 8,141,515.38 : x - Step 2: Convert to fraction form
14,757,106.92/20,364,739.98 = 8,141,515.38/x - Step 3: Cross multiply
14,757,106.92x = 20,364,739.98 × 8,141,515.38 - Step 4: Simplify right side
14,757,106.92x = 165,799,843,756,870.91 - Step 5: Solve for x
x = 165,799,843,756,870.91/14,757,106.92 - Step 6: Final answer
x = 11,235,253.95
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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.