Finding the Fourth Proportional to 13,850,621.12, 20,776,975.98 and 4,134,466.60
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Solution
The fourth proportional to 13,850,621.12, 20,776,975.98 and 4,134,466.60 is: 6,202,011.62
Step by Step Solution
- Step 1: Write the proportion equation
13,850,621.12 : 20,776,975.98 = 4,134,466.60 : x - Step 2: Convert to fraction form
13,850,621.12/20,776,975.98 = 4,134,466.60/x - Step 3: Cross multiply
13,850,621.12x = 20,776,975.98 × 4,134,466.60 - Step 4: Simplify right side
13,850,621.12x = 85,901,713,170,865.58 - Step 5: Solve for x
x = 85,901,713,170,865.58/13,850,621.12 - Step 6: Final answer
x = 6,202,011.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.