Finding the Fourth Proportional to 29,220,435.69, 40,306,631.81 and 19,297,409.80
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Solution
The fourth proportional to 29,220,435.69, 40,306,631.81 and 19,297,409.80 is: 26,618,822.52
Step by Step Solution
- Step 1: Write the proportion equation
29,220,435.69 : 40,306,631.81 = 19,297,409.80 : x - Step 2: Convert to fraction form
29,220,435.69/40,306,631.81 = 19,297,409.80/x - Step 3: Cross multiply
29,220,435.69x = 40,306,631.81 × 19,297,409.80 - Step 4: Simplify right side
29,220,435.69x = 777,813,591,849,742.25 - Step 5: Solve for x
x = 777,813,591,849,742.25/29,220,435.69 - Step 6: Final answer
x = 26,618,822.52
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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.