Finding the Fourth Proportional to 29,220,438.69, 40,306,635.96 and 19,297,412.79
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Solution
The fourth proportional to 29,220,438.69, 40,306,635.96 and 19,297,412.79 is: 26,618,826.66
Step by Step Solution
- Step 1: Write the proportion equation
29,220,438.69 : 40,306,635.96 = 19,297,412.79 : x - Step 2: Convert to fraction form
29,220,438.69/40,306,635.96 = 19,297,412.79/x - Step 3: Cross multiply
29,220,438.69x = 40,306,635.96 × 19,297,412.79 - Step 4: Simplify right side
29,220,438.69x = 777,813,792,296,377.88 - Step 5: Solve for x
x = 777,813,792,296,377.88/29,220,438.69 - Step 6: Final answer
x = 26,618,826.66
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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.