Finding the Fourth Proportional to 13,965,818.04, 19,269,940.47 and 8,163,477.41
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Solution
The fourth proportional to 13,965,818.04, 19,269,940.47 and 8,163,477.41 is: 11,263,910.44
Step by Step Solution
- Step 1: Write the proportion equation
13,965,818.04 : 19,269,940.47 = 8,163,477.41 : x - Step 2: Convert to fraction form
13,965,818.04/19,269,940.47 = 8,163,477.41/x - Step 3: Cross multiply
13,965,818.04x = 19,269,940.47 × 8,163,477.41 - Step 4: Simplify right side
13,965,818.04x = 157,309,723,622,540.06 - Step 5: Solve for x
x = 157,309,723,622,540.06/13,965,818.04 - Step 6: Final answer
x = 11,263,910.44
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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.