Finding the Fourth Proportional to 24,257,576.80, 36,386,365.20 and 12,128,912.20
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Solution
The fourth proportional to 24,257,576.80, 36,386,365.20 and 12,128,912.20 is: 18,193,368.30
Step by Step Solution
- Step 1: Write the proportion equation
24,257,576.80 : 36,386,365.20 = 12,128,912.20 : x - Step 2: Convert to fraction form
24,257,576.80/36,386,365.20 = 12,128,912.20/x - Step 3: Cross multiply
24,257,576.80x = 36,386,365.20 × 12,128,912.20 - Step 4: Simplify right side
24,257,576.80x = 441,327,028,787,935.44 - Step 5: Solve for x
x = 441,327,028,787,935.44/24,257,576.80 - Step 6: Final answer
x = 18,193,368.30
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1.5x scale
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.