Finding the Fourth Proportional to 29,938,811.81, 41,313,863.84 and 16,885,290.42
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Solution
The fourth proportional to 29,938,811.81, 41,313,863.84 and 16,885,290.42 is: 23,300,743.99
Step by Step Solution
- Step 1: Write the proportion equation
29,938,811.81 : 41,313,863.84 = 16,885,290.42 : x - Step 2: Convert to fraction form
29,938,811.81/41,313,863.84 = 16,885,290.42/x - Step 3: Cross multiply
29,938,811.81x = 41,313,863.84 × 16,885,290.42 - Step 4: Simplify right side
29,938,811.81x = 697,596,589,226,310 - Step 5: Solve for x
x = 697,596,589,226,310/29,938,811.81 - Step 6: Final answer
x = 23,300,743.99
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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.