Finding the Fourth Proportional to 29,124,929.80, 43,603,413.90 and 17,787,521.80
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Solution
The fourth proportional to 29,124,929.80, 43,603,413.90 and 17,787,521.80 is: 26,629,992.95
Step by Step Solution
- Step 1: Write the proportion equation
29,124,929.80 : 43,603,413.90 = 17,787,521.80 : x - Step 2: Convert to fraction form
29,124,929.80/43,603,413.90 = 17,787,521.80/x - Step 3: Cross multiply
29,124,929.80x = 43,603,413.90 × 17,787,521.80 - Step 4: Simplify right side
29,124,929.80x = 775,596,675,300,673 - Step 5: Solve for x
x = 775,596,675,300,673/29,124,929.80 - Step 6: Final answer
x = 26,629,992.95
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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.