Finding the Fourth Proportional to 13,466,122.64, 18,583,367.26 and 7,665,277.36
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Solution
The fourth proportional to 13,466,122.64, 18,583,367.26 and 7,665,277.36 is: 10,578,149.94
Step by Step Solution
- Step 1: Write the proportion equation
13,466,122.64 : 18,583,367.26 = 7,665,277.36 : x - Step 2: Convert to fraction form
13,466,122.64/18,583,367.26 = 7,665,277.36/x - Step 3: Cross multiply
13,466,122.64x = 18,583,367.26 × 7,665,277.36 - Step 4: Simplify right side
13,466,122.64x = 142,446,664,330,643.25 - Step 5: Solve for x
x = 142,446,664,330,643.25/13,466,122.64 - Step 6: Final answer
x = 10,578,149.94
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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.