Finding the Fourth Proportional to 47,993,882.18, 66,212,711.73 and 27,873,454.82
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Solution
The fourth proportional to 47,993,882.18, 66,212,711.73 and 27,873,454.82 is: 38,454,422.63
Step by Step Solution
- Step 1: Write the proportion equation
47,993,882.18 : 66,212,711.73 = 27,873,454.82 : x - Step 2: Convert to fraction form
47,993,882.18/66,212,711.73 = 27,873,454.82/x - Step 3: Cross multiply
47,993,882.18x = 66,212,711.73 × 27,873,454.82 - Step 4: Simplify right side
47,993,882.18x = 1,845,577,028,584,775.50 - Step 5: Solve for x
x = 1,845,577,028,584,775.50/47,993,882.18 - Step 6: Final answer
x = 38,454,422.63
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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.