Finding the Fourth Proportional to 40,784,537.91, 56,284,147.53 and 22,198,779.81
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Solution
The fourth proportional to 40,784,537.91, 56,284,147.53 and 22,198,779.81 is: 30,635,124.53
Step by Step Solution
- Step 1: Write the proportion equation
40,784,537.91 : 56,284,147.53 = 22,198,779.81 : x - Step 2: Convert to fraction form
40,784,537.91/56,284,147.53 = 22,198,779.81/x - Step 3: Cross multiply
40,784,537.91x = 56,284,147.53 × 22,198,779.81 - Step 4: Simplify right side
40,784,537.91x = 1,249,439,397,812,025.25 - Step 5: Solve for x
x = 1,249,439,397,812,025.25/40,784,537.91 - Step 6: Final answer
x = 30,635,124.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.