Finding the Fourth Proportional to 17,221,911.99, 23,766,297.39 and 9,486,935.79
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Solution
The fourth proportional to 17,221,911.99, 23,766,297.39 and 9,486,935.79 is: 13,092,003.81
Step by Step Solution
- Step 1: Write the proportion equation
17,221,911.99 : 23,766,297.39 = 9,486,935.79 : x - Step 2: Convert to fraction form
17,221,911.99/23,766,297.39 = 9,486,935.79/x - Step 3: Cross multiply
17,221,911.99x = 23,766,297.39 × 9,486,935.79 - Step 4: Simplify right side
17,221,911.99x = 225,469,337,304,974.56 - Step 5: Solve for x
x = 225,469,337,304,974.56/17,221,911.99 - Step 6: Final answer
x = 13,092,003.81
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1.5x scale
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.