Finding the Fourth Proportional to 41,946,881.40, 62,920,326.67 and 12,800,873.21
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Solution
The fourth proportional to 41,946,881.40, 62,920,326.67 and 12,800,873.21 is: 19,201,311.20
Step by Step Solution
- Step 1: Write the proportion equation
41,946,881.40 : 62,920,326.67 = 12,800,873.21 : x - Step 2: Convert to fraction form
41,946,881.40/62,920,326.67 = 12,800,873.21/x - Step 3: Cross multiply
41,946,881.40x = 62,920,326.67 × 12,800,873.21 - Step 4: Simplify right side
41,946,881.40x = 805,435,123,687,847.62 - Step 5: Solve for x
x = 805,435,123,687,847.62/41,946,881.40 - Step 6: Final answer
x = 19,201,311.20
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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.