Finding the Fourth Proportional to 14,660,106.82, 20,230,950.08 and 8,133,720.61
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Solution
The fourth proportional to 14,660,106.82, 20,230,950.08 and 8,133,720.61 is: 11,224,535.92
Step by Step Solution
- Step 1: Write the proportion equation
14,660,106.82 : 20,230,950.08 = 8,133,720.61 : x - Step 2: Convert to fraction form
14,660,106.82/20,230,950.08 = 8,133,720.61/x - Step 3: Cross multiply
14,660,106.82x = 20,230,950.08 × 8,133,720.61 - Step 4: Simplify right side
14,660,106.82x = 164,552,895,625,577.16 - Step 5: Solve for x
x = 164,552,895,625,577.16/14,660,106.82 - Step 6: Final answer
x = 11,224,535.92
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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.