Finding the Fourth Proportional to 14,806,567.53, 20,432,215.41 and 8,190,761.31
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Solution
The fourth proportional to 14,806,567.53, 20,432,215.41 and 8,190,761.31 is: 11,302,781.63
Step by Step Solution
- Step 1: Write the proportion equation
14,806,567.53 : 20,432,215.41 = 8,190,761.31 : x - Step 2: Convert to fraction form
14,806,567.53/20,432,215.41 = 8,190,761.31/x - Step 3: Cross multiply
14,806,567.53x = 20,432,215.41 × 8,190,761.31 - Step 4: Simplify right side
14,806,567.53x = 167,355,399,457,813.78 - Step 5: Solve for x
x = 167,355,399,457,813.78/14,806,567.53 - Step 6: Final answer
x = 11,302,781.63
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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.