Finding the Fourth Proportional to 14,149,988.82, 19,527,049.95 and 8,038,752.66
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Solution
The fourth proportional to 14,149,988.82, 19,527,049.95 and 8,038,752.66 is: 11,093,515.81
Step by Step Solution
- Step 1: Write the proportion equation
14,149,988.82 : 19,527,049.95 = 8,038,752.66 : x - Step 2: Convert to fraction form
14,149,988.82/19,527,049.95 = 8,038,752.66/x - Step 3: Cross multiply
14,149,988.82x = 19,527,049.95 × 8,038,752.66 - Step 4: Simplify right side
14,149,988.82x = 156,973,124,727,515.38 - Step 5: Solve for x
x = 156,973,124,727,515.38/14,149,988.82 - Step 6: Final answer
x = 11,093,515.81
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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.