Finding the Fourth Proportional to 13,325,296.24, 18,388,915.01 and 7,213,724.74
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Solution
The fourth proportional to 13,325,296.24, 18,388,915.01 and 7,213,724.74 is: 9,954,943.49
Step by Step Solution
- Step 1: Write the proportion equation
13,325,296.24 : 18,388,915.01 = 7,213,724.74 : x - Step 2: Convert to fraction form
13,325,296.24/18,388,915.01 = 7,213,724.74/x - Step 3: Cross multiply
13,325,296.24x = 18,388,915.01 × 7,213,724.74 - Step 4: Simplify right side
13,325,296.24x = 132,652,571,113,325.72 - Step 5: Solve for x
x = 132,652,571,113,325.72/13,325,296.24 - Step 6: Final answer
x = 9,954,943.49
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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.