Finding the Fourth Proportional to 14,756,580.82, 20,364,108.71 and 8,230,630.92
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Solution
The fourth proportional to 14,756,580.82, 20,364,108.71 and 8,230,630.92 is: 11,358,285.83
Step by Step Solution
- Step 1: Write the proportion equation
14,756,580.82 : 20,364,108.71 = 8,230,630.92 : x - Step 2: Convert to fraction form
14,756,580.82/20,364,108.71 = 8,230,630.92/x - Step 3: Cross multiply
14,756,580.82x = 20,364,108.71 × 8,230,630.92 - Step 4: Simplify right side
14,756,580.82x = 167,609,462,806,767.31 - Step 5: Solve for x
x = 167,609,462,806,767.31/14,756,580.82 - Step 6: Final answer
x = 11,358,285.83
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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.