Finding the Fourth Proportional to 13,319,307.46, 18,368,169.42 and 8,840,942.20
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Solution
The fourth proportional to 13,319,307.46, 18,368,169.42 and 8,840,942.20 is: 12,192,219.80
Step by Step Solution
- Step 1: Write the proportion equation
13,319,307.46 : 18,368,169.42 = 8,840,942.20 : x - Step 2: Convert to fraction form
13,319,307.46/18,368,169.42 = 8,840,942.20/x - Step 3: Cross multiply
13,319,307.46x = 18,368,169.42 × 8,840,942.20 - Step 4: Simplify right side
13,319,307.46x = 162,391,924,162,027.53 - Step 5: Solve for x
x = 162,391,924,162,027.53/13,319,307.46 - Step 6: Final answer
x = 12,192,219.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.