Finding the Fourth Proportional to 43,689,276.97, 65,563,172.04 and 18,130,310.98
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Solution
The fourth proportional to 43,689,276.97, 65,563,172.04 and 18,130,310.98 is: 27,207,607.46
Step by Step Solution
- Step 1: Write the proportion equation
43,689,276.97 : 65,563,172.04 = 18,130,310.98 : x - Step 2: Convert to fraction form
43,689,276.97/65,563,172.04 = 18,130,310.98/x - Step 3: Cross multiply
43,689,276.97x = 65,563,172.04 × 18,130,310.98 - Step 4: Simplify right side
43,689,276.97x = 1,188,680,697,920,441 - Step 5: Solve for x
x = 1,188,680,697,920,441/43,689,276.97 - Step 6: Final answer
x = 27,207,607.46
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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.