Finding the Fourth Proportional to 36,860,431.80, 55,290,647.70 and 16,390,111.80
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Solution
The fourth proportional to 36,860,431.80, 55,290,647.70 and 16,390,111.80 is: 24,585,167.70
Step by Step Solution
- Step 1: Write the proportion equation
36,860,431.80 : 55,290,647.70 = 16,390,111.80 : x - Step 2: Convert to fraction form
36,860,431.80/55,290,647.70 = 16,390,111.80/x - Step 3: Cross multiply
36,860,431.80x = 55,290,647.70 × 16,390,111.80 - Step 4: Simplify right side
36,860,431.80x = 906,219,897,297,413 - Step 5: Solve for x
x = 906,219,897,297,413/36,860,431.80 - Step 6: Final answer
x = 24,585,167.70
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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.