Finding the Fourth Proportional to 12,567,149.66, 18,879,101.28 and 7,452,933.99
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Solution
The fourth proportional to 12,567,149.66, 18,879,101.28 and 7,452,933.99 is: 11,196,229.81
Step by Step Solution
- Step 1: Write the proportion equation
12,567,149.66 : 18,879,101.28 = 7,452,933.99 : x - Step 2: Convert to fraction form
12,567,149.66/18,879,101.28 = 7,452,933.99/x - Step 3: Cross multiply
12,567,149.66x = 18,879,101.28 × 7,452,933.99 - Step 4: Simplify right side
12,567,149.66x = 140,704,695,630,364.52 - Step 5: Solve for x
x = 140,704,695,630,364.52/12,567,149.66 - Step 6: Final answer
x = 11,196,229.81
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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.