Finding the Fourth Proportional to 9,429,567.09, 14,207,361.23 and 8,519,807.09
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Solution
The fourth proportional to 9,429,567.09, 14,207,361.23 and 8,519,807.09 is: 12,836,641.99
Step by Step Solution
- Step 1: Write the proportion equation
9,429,567.09 : 14,207,361.23 = 8,519,807.09 : x - Step 2: Convert to fraction form
9,429,567.09/14,207,361.23 = 8,519,807.09/x - Step 3: Cross multiply
9,429,567.09x = 14,207,361.23 × 8,519,807.09 - Step 4: Simplify right side
9,429,567.09x = 121,043,976,823,909.28 - Step 5: Solve for x
x = 121,043,976,823,909.28/9,429,567.09 - Step 6: Final answer
x = 12,836,641.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.