Finding the Fourth Proportional to 47,993,870.28, 66,212,695.38 and 27,873,442.97
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Solution
The fourth proportional to 47,993,870.28, 66,212,695.38 and 27,873,442.97 is: 38,454,406.31
Step by Step Solution
- Step 1: Write the proportion equation
47,993,870.28 : 66,212,695.38 = 27,873,442.97 : x - Step 2: Convert to fraction form
47,993,870.28/66,212,695.38 = 27,873,442.97/x - Step 3: Cross multiply
47,993,870.28x = 66,212,695.38 × 27,873,442.97 - Step 4: Simplify right side
47,993,870.28x = 1,845,575,788,233,349 - Step 5: Solve for x
x = 1,845,575,788,233,349/47,993,870.28 - Step 6: Final answer
x = 38,454,406.31
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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.