Finding the Fourth Proportional to 13,481,473.98, 20,222,358.60 and 3,896,935.55
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Solution
The fourth proportional to 13,481,473.98, 20,222,358.60 and 3,896,935.55 is: 5,845,445.99
Step by Step Solution
- Step 1: Write the proportion equation
13,481,473.98 : 20,222,358.60 = 3,896,935.55 : x - Step 2: Convert to fraction form
13,481,473.98/20,222,358.60 = 3,896,935.55/x - Step 3: Cross multiply
13,481,473.98x = 20,222,358.60 × 3,896,935.55 - Step 4: Simplify right side
13,481,473.98x = 78,805,228,032,076.44 - Step 5: Solve for x
x = 78,805,228,032,076.44/13,481,473.98 - Step 6: Final answer
x = 5,845,445.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.