Finding the Fourth Proportional to 14,278,680.47, 21,417,611.95 and 4,043,516.05
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Solution
The fourth proportional to 14,278,680.47, 21,417,611.95 and 4,043,516.05 is: 6,065,158.32
Step by Step Solution
- Step 1: Write the proportion equation
14,278,680.47 : 21,417,611.95 = 4,043,516.05 : x - Step 2: Convert to fraction form
14,278,680.47/21,417,611.95 = 4,043,516.05/x - Step 3: Cross multiply
14,278,680.47x = 21,417,611.95 × 4,043,516.05 - Step 4: Simplify right side
14,278,680.47x = 86,602,457,583,849.14 - Step 5: Solve for x
x = 86,602,457,583,849.14/14,278,680.47 - Step 6: Final answer
x = 6,065,158.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.