Finding the Fourth Proportional to 30,968,821.44, 46,450,230.50 and 9,403,612.70
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Solution
The fourth proportional to 30,968,821.44, 46,450,230.50 and 9,403,612.70 is: 14,104,507.60
Step by Step Solution
- Step 1: Write the proportion equation
30,968,821.44 : 46,450,230.50 = 9,403,612.70 : x - Step 2: Convert to fraction form
30,968,821.44/46,450,230.50 = 9,403,612.70/x - Step 3: Cross multiply
30,968,821.44x = 46,450,230.50 × 9,403,612.70 - Step 4: Simplify right side
30,968,821.44x = 436,799,977,238,985.25 - Step 5: Solve for x
x = 436,799,977,238,985.25/30,968,821.44 - Step 6: Final answer
x = 14,104,507.60
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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.