Finding the Fourth Proportional to 20,063,965.26, 27,688,434.75 and 10,896,673.62
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Solution
The fourth proportional to 20,063,965.26, 27,688,434.75 and 10,896,673.62 is: 15,037,497.95
Step by Step Solution
- Step 1: Write the proportion equation
20,063,965.26 : 27,688,434.75 = 10,896,673.62 : x - Step 2: Convert to fraction form
20,063,965.26/27,688,434.75 = 10,896,673.62/x - Step 3: Cross multiply
20,063,965.26x = 27,688,434.75 × 10,896,673.62 - Step 4: Simplify right side
20,063,965.26x = 301,711,836,519,416.25 - Step 5: Solve for x
x = 301,711,836,519,416.25/20,063,965.26 - Step 6: Final answer
x = 15,037,497.95
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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.