Finding the Fourth Proportional to 44,286,605.20, 66,429,907.80 and 12,373,901.20
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Solution
The fourth proportional to 44,286,605.20, 66,429,907.80 and 12,373,901.20 is: 18,560,851.80
Step by Step Solution
- Step 1: Write the proportion equation
44,286,605.20 : 66,429,907.80 = 12,373,901.20 : x - Step 2: Convert to fraction form
44,286,605.20/66,429,907.80 = 12,373,901.20/x - Step 3: Cross multiply
44,286,605.20x = 66,429,907.80 × 12,373,901.20 - Step 4: Simplify right side
44,286,605.20x = 821,997,115,842,309.25 - Step 5: Solve for x
x = 821,997,115,842,309.25/44,286,605.20 - Step 6: Final answer
x = 18,560,851.80
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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.