Finding the Fourth Proportional to 19,682,777.80, 29,524,166.70 and 15,701,465.80
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Solution
The fourth proportional to 19,682,777.80, 29,524,166.70 and 15,701,465.80 is: 23,552,198.70
Step by Step Solution
- Step 1: Write the proportion equation
19,682,777.80 : 29,524,166.70 = 15,701,465.80 : x - Step 2: Convert to fraction form
19,682,777.80/29,524,166.70 = 15,701,465.80/x - Step 3: Cross multiply
19,682,777.80x = 29,524,166.70 × 15,701,465.80 - Step 4: Simplify right side
19,682,777.80x = 463,572,693,713,548.88 - Step 5: Solve for x
x = 463,572,693,713,548.88/19,682,777.80 - Step 6: Final answer
x = 23,552,198.70
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1.5x scale
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.