Finding the Fourth Proportional to 14,611,617.95, 20,166,160.95 and 8,415,458.75
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Solution
The fourth proportional to 14,611,617.95, 20,166,160.95 and 8,415,458.75 is: 11,614,558.79
Step by Step Solution
- Step 1: Write the proportion equation
14,611,617.95 : 20,166,160.95 = 8,415,458.75 : x - Step 2: Convert to fraction form
14,611,617.95/20,166,160.95 = 8,415,458.75/x - Step 3: Cross multiply
14,611,617.95x = 20,166,160.95 × 8,415,458.75 - Step 4: Simplify right side
14,611,617.95x = 169,707,495,671,001.19 - Step 5: Solve for x
x = 169,707,495,671,001.19/14,611,617.95 - Step 6: Final answer
x = 11,614,558.79
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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.