Finding the Fourth Proportional to 13,696,464.28, 20,539,850.40 and 3,979,055.58
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Solution
The fourth proportional to 13,696,464.28, 20,539,850.40 and 3,979,055.58 is: 5,967,175.52
Step by Step Solution
- Step 1: Write the proportion equation
13,696,464.28 : 20,539,850.40 = 3,979,055.58 : x - Step 2: Convert to fraction form
13,696,464.28/20,539,850.40 = 3,979,055.58/x - Step 3: Cross multiply
13,696,464.28x = 20,539,850.40 × 3,979,055.58 - Step 4: Simplify right side
13,696,464.28x = 81,729,206,346,485.23 - Step 5: Solve for x
x = 81,729,206,346,485.23/13,696,464.28 - Step 6: Final answer
x = 5,967,175.52
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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.