Finding the Fourth Proportional to 13,405,340.23, 18,501,302.75 and 7,446,106.44
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Solution
The fourth proportional to 13,405,340.23, 18,501,302.75 and 7,446,106.44 is: 10,276,700.72
Step by Step Solution
- Step 1: Write the proportion equation
13,405,340.23 : 18,501,302.75 = 7,446,106.44 : x - Step 2: Convert to fraction form
13,405,340.23/18,501,302.75 = 7,446,106.44/x - Step 3: Cross multiply
13,405,340.23x = 18,501,302.75 × 7,446,106.44 - Step 4: Simplify right side
13,405,340.23x = 137,762,669,517,934.19 - Step 5: Solve for x
x = 137,762,669,517,934.19/13,405,340.23 - Step 6: Final answer
x = 10,276,700.72
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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.