Finding the Fourth Proportional to 12,868,896.13, 19,303,328.69 and 3,284,275.68
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Solution
The fourth proportional to 12,868,896.13, 19,303,328.69 and 3,284,275.68 is: 4,926,409.56
Step by Step Solution
- Step 1: Write the proportion equation
12,868,896.13 : 19,303,328.69 = 3,284,275.68 : x - Step 2: Convert to fraction form
12,868,896.13/19,303,328.69 = 3,284,275.68/x - Step 3: Cross multiply
12,868,896.13x = 19,303,328.69 × 3,284,275.68 - Step 4: Simplify right side
12,868,896.13x = 63,397,452,959,613.27 - Step 5: Solve for x
x = 63,397,452,959,613.27/12,868,896.13 - Step 6: Final answer
x = 4,926,409.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.