Finding the Fourth Proportional to 19,965,069.36, 27,551,795.40 and 10,797,712.08
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Solution
The fourth proportional to 19,965,069.36, 27,551,795.40 and 10,797,712.08 is: 14,900,842.50
Step by Step Solution
- Step 1: Write the proportion equation
19,965,069.36 : 27,551,795.40 = 10,797,712.08 : x - Step 2: Convert to fraction form
19,965,069.36/27,551,795.40 = 10,797,712.08/x - Step 3: Cross multiply
19,965,069.36x = 27,551,795.40 × 10,797,712.08 - Step 4: Simplify right side
19,965,069.36x = 297,496,354,016,268.44 - Step 5: Solve for x
x = 297,496,354,016,268.44/19,965,069.36 - Step 6: Final answer
x = 14,900,842.50
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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.