Finding the Fourth Proportional to 56,147,929.80, 84,221,894.70 and 15,758,413.80
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Solution
The fourth proportional to 56,147,929.80, 84,221,894.70 and 15,758,413.80 is: 23,637,620.70
Step by Step Solution
- Step 1: Write the proportion equation
56,147,929.80 : 84,221,894.70 = 15,758,413.80 : x - Step 2: Convert to fraction form
56,147,929.80/84,221,894.70 = 15,758,413.80/x - Step 3: Cross multiply
56,147,929.80x = 84,221,894.70 × 15,758,413.80 - Step 4: Simplify right side
56,147,929.80x = 1,327,203,467,702,627 - Step 5: Solve for x
x = 1,327,203,467,702,627/56,147,929.80 - Step 6: Final answer
x = 23,637,620.70
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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.