Finding the Fourth Proportional to 29,521,519.31, 40,747,799.72 and 17,135,603.09
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Solution
The fourth proportional to 29,521,519.31, 40,747,799.72 and 17,135,603.09 is: 23,651,835.66
Step by Step Solution
- Step 1: Write the proportion equation
29,521,519.31 : 40,747,799.72 = 17,135,603.09 : x - Step 2: Convert to fraction form
29,521,519.31/40,747,799.72 = 17,135,603.09/x - Step 3: Cross multiply
29,521,519.31x = 40,747,799.72 × 17,135,603.09 - Step 4: Simplify right side
29,521,519.31x = 698,238,123,013,843.62 - Step 5: Solve for x
x = 698,238,123,013,843.62/29,521,519.31 - Step 6: Final answer
x = 23,651,835.66
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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.