Finding the Fourth Proportional to 19,942,797.99, 27,523,177.07 and 11,689,794.73
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Solution
The fourth proportional to 19,942,797.99, 27,523,177.07 and 11,689,794.73 is: 16,133,156.96
Step by Step Solution
- Step 1: Write the proportion equation
19,942,797.99 : 27,523,177.07 = 11,689,794.73 : x - Step 2: Convert to fraction form
19,942,797.99/27,523,177.07 = 11,689,794.73/x - Step 3: Cross multiply
19,942,797.99x = 27,523,177.07 × 11,689,794.73 - Step 4: Simplify right side
19,942,797.99x = 321,740,290,265,742.88 - Step 5: Solve for x
x = 321,740,290,265,742.88/19,942,797.99 - Step 6: Final answer
x = 16,133,156.96
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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.