Finding the Fourth Proportional to 19,948,759.97, 29,857,208.02 and 18,156,143.05
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Solution
The fourth proportional to 19,948,759.97, 29,857,208.02 and 18,156,143.05 is: 27,174,207.36
Step by Step Solution
- Step 1: Write the proportion equation
19,948,759.97 : 29,857,208.02 = 18,156,143.05 : x - Step 2: Convert to fraction form
19,948,759.97/29,857,208.02 = 18,156,143.05/x - Step 3: Cross multiply
19,948,759.97x = 29,857,208.02 × 18,156,143.05 - Step 4: Simplify right side
19,948,759.97x = 542,091,739,764,693.81 - Step 5: Solve for x
x = 542,091,739,764,693.81/19,948,759.97 - Step 6: Final answer
x = 27,174,207.36
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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.