Finding the Fourth Proportional to 14,694,670.68, 20,278,887.42 and 8,079,538.74
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Solution
The fourth proportional to 14,694,670.68, 20,278,887.42 and 8,079,538.74 is: 11,149,896.45
Step by Step Solution
- Step 1: Write the proportion equation
14,694,670.68 : 20,278,887.42 = 8,079,538.74 : x - Step 2: Convert to fraction form
14,694,670.68/20,278,887.42 = 8,079,538.74/x - Step 3: Cross multiply
14,694,670.68x = 20,278,887.42 × 8,079,538.74 - Step 4: Simplify right side
14,694,670.68x = 163,844,056,513,988.66 - Step 5: Solve for x
x = 163,844,056,513,988.66/14,694,670.68 - Step 6: Final answer
x = 11,149,896.45
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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.