Finding the Fourth Proportional to 14,479,106.24, 19,984,646.38 and 8,287,742.46
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Solution
The fourth proportional to 14,479,106.24, 19,984,646.38 and 8,287,742.46 is: 11,439,076.39
Step by Step Solution
- Step 1: Write the proportion equation
14,479,106.24 : 19,984,646.38 = 8,287,742.46 : x - Step 2: Convert to fraction form
14,479,106.24/19,984,646.38 = 8,287,742.46/x - Step 3: Cross multiply
14,479,106.24x = 19,984,646.38 × 8,287,742.46 - Step 4: Simplify right side
14,479,106.24x = 165,627,602,351,611.28 - Step 5: Solve for x
x = 165,627,602,351,611.28/14,479,106.24 - Step 6: Final answer
x = 11,439,076.39
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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.