Finding the Fourth Proportional to 13,543,340.24, 18,689,799.48 and 7,742,249.84
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Solution
The fourth proportional to 13,543,340.24, 18,689,799.48 and 7,742,249.84 is: 10,684,299.03
Step by Step Solution
- Step 1: Write the proportion equation
13,543,340.24 : 18,689,799.48 = 7,742,249.84 : x - Step 2: Convert to fraction form
13,543,340.24/18,689,799.48 = 7,742,249.84/x - Step 3: Cross multiply
13,543,340.24x = 18,689,799.48 × 7,742,249.84 - Step 4: Simplify right side
13,543,340.24x = 144,701,097,033,662.09 - Step 5: Solve for x
x = 144,701,097,033,662.09/13,543,340.24 - Step 6: Final answer
x = 10,684,299.03
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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.