Finding the Fourth Proportional to 13,367,979.29, 18,448,104.71 and 8,141,232.41
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Solution
The fourth proportional to 13,367,979.29, 18,448,104.71 and 8,141,232.41 is: 11,235,079.34
Step by Step Solution
- Step 1: Write the proportion equation
13,367,979.29 : 18,448,104.71 = 8,141,232.41 : x - Step 2: Convert to fraction form
13,367,979.29/18,448,104.71 = 8,141,232.41/x - Step 3: Cross multiply
13,367,979.29x = 18,448,104.71 × 8,141,232.41 - Step 4: Simplify right side
13,367,979.29x = 150,190,307,927,419.47 - Step 5: Solve for x
x = 150,190,307,927,419.47/13,367,979.29 - Step 6: Final answer
x = 11,235,079.34
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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.