Finding the Fourth Proportional to 44,485,311.40, 66,734,187.90 and 18,926,117.80
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Solution
The fourth proportional to 44,485,311.40, 66,734,187.90 and 18,926,117.80 is: 28,391,823.32
Step by Step Solution
- Step 1: Write the proportion equation
44,485,311.40 : 66,734,187.90 = 18,926,117.80 : x - Step 2: Convert to fraction form
44,485,311.40/66,734,187.90 = 18,926,117.80/x - Step 3: Cross multiply
44,485,311.40x = 66,734,187.90 × 18,926,117.80 - Step 4: Simplify right side
44,485,311.40x = 1,263,019,101,482,734.75 - Step 5: Solve for x
x = 1,263,019,101,482,734.75/44,485,311.40 - Step 6: Final answer
x = 28,391,823.32
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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.