Finding the Fourth Proportional to 12,418,280.60, 18,630,521.02 and 4,331,372.44
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Solution
The fourth proportional to 12,418,280.60, 18,630,521.02 and 4,331,372.44 is: 6,498,139.95
Step by Step Solution
- Step 1: Write the proportion equation
12,418,280.60 : 18,630,521.02 = 4,331,372.44 : x - Step 2: Convert to fraction form
12,418,280.60/18,630,521.02 = 4,331,372.44/x - Step 3: Cross multiply
12,418,280.60x = 18,630,521.02 × 4,331,372.44 - Step 4: Simplify right side
12,418,280.60x = 80,695,725,288,868.69 - Step 5: Solve for x
x = 80,695,725,288,868.69/12,418,280.60 - Step 6: Final answer
x = 6,498,139.95
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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.