Finding the Fourth Proportional to 12,868,776.99, 19,303,149.18 and 3,284,155.73
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Solution
The fourth proportional to 12,868,776.99, 19,303,149.18 and 3,284,155.73 is: 4,926,229.44
Step by Step Solution
- Step 1: Write the proportion equation
12,868,776.99 : 19,303,149.18 = 3,284,155.73 : x - Step 2: Convert to fraction form
12,868,776.99/19,303,149.18 = 3,284,155.73/x - Step 3: Cross multiply
12,868,776.99x = 19,303,149.18 × 3,284,155.73 - Step 4: Simplify right side
12,868,776.99x = 63,394,548,047,115.26 - Step 5: Solve for x
x = 63,394,548,047,115.26/12,868,776.99 - Step 6: Final answer
x = 4,926,229.44
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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.